Home / 42,444,528.70-63,666,793.05-12,152,391.70

Finding the Fourth Proportional to 42,444,528.70, 63,666,793.05 and 12,152,391.70

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Solution

The fourth proportional to 42,444,528.70, 63,666,793.05 and 12,152,391.70 is: 18,228,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,444,528.70 : 63,666,793.05 = 12,152,391.70 : x
  2. Step 2: Convert to fraction form
    42,444,528.70/63,666,793.05 = 12,152,391.70/x
  3. Step 3: Cross multiply
    42,444,528.70x = 63,666,793.05 × 12,152,391.70
  4. Step 4: Simplify right side
    42,444,528.70x = 773,703,807,426,437.62
  5. Step 5: Solve for x
    x = 773,703,807,426,437.62/42,444,528.70
  6. Step 6: Final answer
    x = 18,228,587.55

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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.