Home / 10,520,564.44-15,766,895.89-5,402,787.61

Finding the Fourth Proportional to 10,520,564.44, 15,766,895.89 and 5,402,787.61

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Solution

The fourth proportional to 10,520,564.44, 15,766,895.89 and 5,402,787.61 is: 8,097,017.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520,564.44 : 15,766,895.89 = 5,402,787.61 : x
  2. Step 2: Convert to fraction form
    10,520,564.44/15,766,895.89 = 5,402,787.61/x
  3. Step 3: Cross multiply
    10,520,564.44x = 15,766,895.89 × 5,402,787.61
  4. Step 4: Simplify right side
    10,520,564.44x = 85,185,189,762,651.94
  5. Step 5: Solve for x
    x = 85,185,189,762,651.94/10,520,564.44
  6. Step 6: Final answer
    x = 8,097,017.06

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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.