Home / 25,337,657.17-38,009,475.06-18,988,265.80

Finding the Fourth Proportional to 25,337,657.17, 38,009,475.06 and 18,988,265.80

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Solution

The fourth proportional to 25,337,657.17, 38,009,475.06 and 18,988,265.80 is: 28,484,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337,657.17 : 38,009,475.06 = 18,988,265.80 : x
  2. Step 2: Convert to fraction form
    25,337,657.17/38,009,475.06 = 18,988,265.80/x
  3. Step 3: Cross multiply
    25,337,657.17x = 38,009,475.06 × 18,988,265.80
  4. Step 4: Simplify right side
    25,337,657.17x = 721,734,015,357,751
  5. Step 5: Solve for x
    x = 721,734,015,357,751/25,337,657.17
  6. Step 6: Final answer
    x = 28,484,638.91

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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.