Home / 38,187,859.34-52,700,364.96-20,785,331.72

Finding the Fourth Proportional to 38,187,859.34, 52,700,364.96 and 20,785,331.72

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Solution

The fourth proportional to 38,187,859.34, 52,700,364.96 and 20,785,331.72 is: 28,684,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187,859.34 : 52,700,364.96 = 20,785,331.72 : x
  2. Step 2: Convert to fraction form
    38,187,859.34/52,700,364.96 = 20,785,331.72/x
  3. Step 3: Cross multiply
    38,187,859.34x = 52,700,364.96 × 20,785,331.72
  4. Step 4: Simplify right side
    38,187,859.34x = 1,095,394,567,458,664.50
  5. Step 5: Solve for x
    x = 1,095,394,567,458,664.50/38,187,859.34
  6. Step 6: Final answer
    x = 28,684,366.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.