Home / 18,208,472.20-25,127,398.35-9,948,357.07

Finding the Fourth Proportional to 18,208,472.20, 25,127,398.35 and 9,948,357.07

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Solution

The fourth proportional to 18,208,472.20, 25,127,398.35 and 9,948,357.07 is: 13,728,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,472.20 : 25,127,398.35 = 9,948,357.07 : x
  2. Step 2: Convert to fraction form
    18,208,472.20/25,127,398.35 = 9,948,357.07/x
  3. Step 3: Cross multiply
    18,208,472.20x = 25,127,398.35 × 9,948,357.07
  4. Step 4: Simplify right side
    18,208,472.20x = 249,976,330,963,110.38
  5. Step 5: Solve for x
    x = 249,976,330,963,110.38/18,208,472.20
  6. Step 6: Final answer
    x = 13,728,572.52

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1.5x scale

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.