Home / 12,137,488.81-16,750,063.28-7,245,550.16

Finding the Fourth Proportional to 12,137,488.81, 16,750,063.28 and 7,245,550.16

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Solution

The fourth proportional to 12,137,488.81, 16,750,063.28 and 7,245,550.16 is: 9,999,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137,488.81 : 16,750,063.28 = 7,245,550.16 : x
  2. Step 2: Convert to fraction form
    12,137,488.81/16,750,063.28 = 7,245,550.16/x
  3. Step 3: Cross multiply
    12,137,488.81x = 16,750,063.28 × 7,245,550.16
  4. Step 4: Simplify right side
    12,137,488.81x = 121,363,423,678,414.12
  5. Step 5: Solve for x
    x = 121,363,423,678,414.12/12,137,488.81
  6. Step 6: Final answer
    x = 9,999,055.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.