Home / 12,461,502.20-18,711,498.90-6,792,798.20

Finding the Fourth Proportional to 12,461,502.20, 18,711,498.90 and 6,792,798.20

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Solution

The fourth proportional to 12,461,502.20, 18,711,498.90 and 6,792,798.20 is: 10,199,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,502.20 : 18,711,498.90 = 6,792,798.20 : x
  2. Step 2: Convert to fraction form
    12,461,502.20/18,711,498.90 = 6,792,798.20/x
  3. Step 3: Cross multiply
    12,461,502.20x = 18,711,498.90 × 6,792,798.20
  4. Step 4: Simplify right side
    12,461,502.20x = 127,103,436,047,221.97
  5. Step 5: Solve for x
    x = 127,103,436,047,221.97/12,461,502.20
  6. Step 6: Final answer
    x = 10,199,688.13

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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.