Home / 43,047,013.86-64,570,754.07-12,755,139.30

Finding the Fourth Proportional to 43,047,013.86, 64,570,754.07 and 12,755,139.30

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Solution

The fourth proportional to 43,047,013.86, 64,570,754.07 and 12,755,139.30 is: 19,132,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,047,013.86 : 64,570,754.07 = 12,755,139.30 : x
  2. Step 2: Convert to fraction form
    43,047,013.86/64,570,754.07 = 12,755,139.30/x
  3. Step 3: Cross multiply
    43,047,013.86x = 64,570,754.07 × 12,755,139.30
  4. Step 4: Simplify right side
    43,047,013.86x = 823,608,962,868,892
  5. Step 5: Solve for x
    x = 823,608,962,868,892/43,047,013.86
  6. Step 6: Final answer
    x = 19,132,778.07

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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.