Home / 21,178,073.60-31,767,250.50-5,826,985.11

Finding the Fourth Proportional to 21,178,073.60, 31,767,250.50 and 5,826,985.11

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Solution

The fourth proportional to 21,178,073.60, 31,767,250.50 and 5,826,985.11 is: 8,740,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,178,073.60 : 31,767,250.50 = 5,826,985.11 : x
  2. Step 2: Convert to fraction form
    21,178,073.60/31,767,250.50 = 5,826,985.11/x
  3. Step 3: Cross multiply
    21,178,073.60x = 31,767,250.50 × 5,826,985.11
  4. Step 4: Simplify right side
    21,178,073.60x = 185,107,295,754,870.97
  5. Step 5: Solve for x
    x = 185,107,295,754,870.97/21,178,073.60
  6. Step 6: Final answer
    x = 8,740,516.22

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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.