Home / 42,822,590.40-64,212,631.20-15,527,793.60

Finding the Fourth Proportional to 42,822,590.40, 64,212,631.20 and 15,527,793.60

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Solution

The fourth proportional to 42,822,590.40, 64,212,631.20 and 15,527,793.60 is: 23,283,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,822,590.40 : 64,212,631.20 = 15,527,793.60 : x
  2. Step 2: Convert to fraction form
    42,822,590.40/64,212,631.20 = 15,527,793.60/x
  3. Step 3: Cross multiply
    42,822,590.40x = 64,212,631.20 × 15,527,793.60
  4. Step 4: Simplify right side
    42,822,590.40x = 997,080,483,786,520.38
  5. Step 5: Solve for x
    x = 997,080,483,786,520.38/42,822,590.40
  6. Step 6: Final answer
    x = 23,283,983.39

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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.