Home / 42,885,218.10-64,336,121.55-12,594,069.30

Finding the Fourth Proportional to 42,885,218.10, 64,336,121.55 and 12,594,069.30

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Solution

The fourth proportional to 42,885,218.10, 64,336,121.55 and 12,594,069.30 is: 18,893,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,885,218.10 : 64,336,121.55 = 12,594,069.30 : x
  2. Step 2: Convert to fraction form
    42,885,218.10/64,336,121.55 = 12,594,069.30/x
  3. Step 3: Cross multiply
    42,885,218.10x = 64,336,121.55 × 12,594,069.30
  4. Step 4: Simplify right side
    42,885,218.10x = 810,253,573,293,923.38
  5. Step 5: Solve for x
    x = 810,253,573,293,923.38/42,885,218.10
  6. Step 6: Final answer
    x = 18,893,539.76

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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.