Home / 42,707,254.30-64,071,805.53-12,415,117.30

Finding the Fourth Proportional to 42,707,254.30, 64,071,805.53 and 12,415,117.30

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Solution

The fourth proportional to 42,707,254.30, 64,071,805.53 and 12,415,117.30 is: 18,625,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,707,254.30 : 64,071,805.53 = 12,415,117.30 : x
  2. Step 2: Convert to fraction form
    42,707,254.30/64,071,805.53 = 12,415,117.30/x
  3. Step 3: Cross multiply
    42,707,254.30x = 64,071,805.53 × 12,415,117.30
  4. Step 4: Simplify right side
    42,707,254.30x = 795,458,981,277,738.75
  5. Step 5: Solve for x
    x = 795,458,981,277,738.75/42,707,254.30
  6. Step 6: Final answer
    x = 18,625,851.61

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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.