Home / 20,159,587.90-30,251,191.65-7,381,384.30

Finding the Fourth Proportional to 20,159,587.90, 30,251,191.65 and 7,381,384.30

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Solution

The fourth proportional to 20,159,587.90, 30,251,191.65 and 7,381,384.30 is: 11,076,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,587.90 : 30,251,191.65 = 7,381,384.30 : x
  2. Step 2: Convert to fraction form
    20,159,587.90/30,251,191.65 = 7,381,384.30/x
  3. Step 3: Cross multiply
    20,159,587.90x = 30,251,191.65 × 7,381,384.30
  4. Step 4: Simplify right side
    20,159,587.90x = 223,295,671,101,601.09
  5. Step 5: Solve for x
    x = 223,295,671,101,601.09/20,159,587.90
  6. Step 6: Final answer
    x = 11,076,400.58

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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.