Home / 10,992,315.70-16,488,473.55-7,803,669.70

Finding the Fourth Proportional to 10,992,315.70, 16,488,473.55 and 7,803,669.70

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Solution

The fourth proportional to 10,992,315.70, 16,488,473.55 and 7,803,669.70 is: 11,705,504.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,315.70 : 16,488,473.55 = 7,803,669.70 : x
  2. Step 2: Convert to fraction form
    10,992,315.70/16,488,473.55 = 7,803,669.70/x
  3. Step 3: Cross multiply
    10,992,315.70x = 16,488,473.55 × 7,803,669.70
  4. Step 4: Simplify right side
    10,992,315.70x = 128,670,601,441,386.44
  5. Step 5: Solve for x
    x = 128,670,601,441,386.44/10,992,315.70
  6. Step 6: Final answer
    x = 11,705,504.55

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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.