Home / 10,642,404.60-15,963,606.90-9,760,606.20

Finding the Fourth Proportional to 10,642,404.60, 15,963,606.90 and 9,760,606.20

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Solution

The fourth proportional to 10,642,404.60, 15,963,606.90 and 9,760,606.20 is: 14,640,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642,404.60 : 15,963,606.90 = 9,760,606.20 : x
  2. Step 2: Convert to fraction form
    10,642,404.60/15,963,606.90 = 9,760,606.20/x
  3. Step 3: Cross multiply
    10,642,404.60x = 15,963,606.90 × 9,760,606.20
  4. Step 4: Simplify right side
    10,642,404.60x = 155,814,480,482,502.78
  5. Step 5: Solve for x
    x = 155,814,480,482,502.78/10,642,404.60
  6. Step 6: Final answer
    x = 14,640,909.30

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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.