Home / 42,705,707.52-64,060,332.75-12,413,570.52

Finding the Fourth Proportional to 42,705,707.52, 64,060,332.75 and 12,413,570.52

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Solution

The fourth proportional to 42,705,707.52, 64,060,332.75 and 12,413,570.52 is: 18,620,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,705,707.52 : 64,060,332.75 = 12,413,570.52 : x
  2. Step 2: Convert to fraction form
    42,705,707.52/64,060,332.75 = 12,413,570.52/x
  3. Step 3: Cross multiply
    42,705,707.52x = 64,060,332.75 × 12,413,570.52
  4. Step 4: Simplify right side
    42,705,707.52x = 795,217,458,126,790.50
  5. Step 5: Solve for x
    x = 795,217,458,126,790.50/42,705,707.52
  6. Step 6: Final answer
    x = 18,620,870.71

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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.