Home / 12,799,151.20-19,170,733.20-9,936,805.60

Finding the Fourth Proportional to 12,799,151.20, 19,170,733.20 and 9,936,805.60

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Solution

The fourth proportional to 12,799,151.20, 19,170,733.20 and 9,936,805.60 is: 14,883,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799,151.20 : 19,170,733.20 = 9,936,805.60 : x
  2. Step 2: Convert to fraction form
    12,799,151.20/19,170,733.20 = 9,936,805.60/x
  3. Step 3: Cross multiply
    12,799,151.20x = 19,170,733.20 × 9,936,805.60
  4. Step 4: Simplify right side
    12,799,151.20x = 190,495,849,017,865.91
  5. Step 5: Solve for x
    x = 190,495,849,017,865.91/12,799,151.20
  6. Step 6: Final answer
    x = 14,883,475.16

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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.