Home / 30,307,411.69-45,461,511.50-10,112,653.69

Finding the Fourth Proportional to 30,307,411.69, 45,461,511.50 and 10,112,653.69

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Solution

The fourth proportional to 30,307,411.69, 45,461,511.50 and 10,112,653.69 is: 15,169,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307,411.69 : 45,461,511.50 = 10,112,653.69 : x
  2. Step 2: Convert to fraction form
    30,307,411.69/45,461,511.50 = 10,112,653.69/x
  3. Step 3: Cross multiply
    30,307,411.69x = 45,461,511.50 × 10,112,653.69
  4. Step 4: Simplify right side
    30,307,411.69x = 459,736,521,859,235.38
  5. Step 5: Solve for x
    x = 459,736,521,859,235.38/30,307,411.69
  6. Step 6: Final answer
    x = 15,169,111.98

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.