Home / 42,687,235.13-64,032,624.16-12,395,098.13

Finding the Fourth Proportional to 42,687,235.13, 64,032,624.16 and 12,395,098.13

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Solution

The fourth proportional to 42,687,235.13, 64,032,624.16 and 12,395,098.13 is: 18,593,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,687,235.13 : 64,032,624.16 = 12,395,098.13 : x
  2. Step 2: Convert to fraction form
    42,687,235.13/64,032,624.16 = 12,395,098.13/x
  3. Step 3: Cross multiply
    42,687,235.13x = 64,032,624.16 × 12,395,098.13
  4. Step 4: Simplify right side
    42,687,235.13x = 793,690,659,633,458
  5. Step 5: Solve for x
    x = 793,690,659,633,458/42,687,235.13
  6. Step 6: Final answer
    x = 18,593,161.57

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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.