Home / 18,208,502.15-25,127,439.50-9,948,386.93

Finding the Fourth Proportional to 18,208,502.15, 25,127,439.50 and 9,948,386.93

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Solution

The fourth proportional to 18,208,502.15, 25,127,439.50 and 9,948,386.93 is: 13,728,613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,502.15 : 25,127,439.50 = 9,948,386.93 : x
  2. Step 2: Convert to fraction form
    18,208,502.15/25,127,439.50 = 9,948,386.93/x
  3. Step 3: Cross multiply
    18,208,502.15x = 25,127,439.50 × 9,948,386.93
  4. Step 4: Simplify right side
    18,208,502.15x = 249,977,490,605,399.53
  5. Step 5: Solve for x
    x = 249,977,490,605,399.53/18,208,502.15
  6. Step 6: Final answer
    x = 13,728,613.62

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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.