Home / 36,403,780.59-54,605,875.01-12,142,640.88

Finding the Fourth Proportional to 36,403,780.59, 54,605,875.01 and 12,142,640.88

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Solution

The fourth proportional to 36,403,780.59, 54,605,875.01 and 12,142,640.88 is: 18,214,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403,780.59 : 54,605,875.01 = 12,142,640.88 : x
  2. Step 2: Convert to fraction form
    36,403,780.59/54,605,875.01 = 12,142,640.88/x
  3. Step 3: Cross multiply
    36,403,780.59x = 54,605,875.01 × 12,142,640.88
  4. Step 4: Simplify right side
    36,403,780.59x = 663,059,529,850,853.88
  5. Step 5: Solve for x
    x = 663,059,529,850,853.88/36,403,780.59
  6. Step 6: Final answer
    x = 18,214,029.40

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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.