Home / 18,654,119.48-25,742,737.10-10,815,155.08

Finding the Fourth Proportional to 18,654,119.48, 25,742,737.10 and 10,815,155.08

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Solution

The fourth proportional to 18,654,119.48, 25,742,737.10 and 10,815,155.08 is: 14,924,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654,119.48 : 25,742,737.10 = 10,815,155.08 : x
  2. Step 2: Convert to fraction form
    18,654,119.48/25,742,737.10 = 10,815,155.08/x
  3. Step 3: Cross multiply
    18,654,119.48x = 25,742,737.10 × 10,815,155.08
  4. Step 4: Simplify right side
    18,654,119.48x = 278,411,693,920,169.50
  5. Step 5: Solve for x
    x = 278,411,693,920,169.50/18,654,119.48
  6. Step 6: Final answer
    x = 14,924,944.28

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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.