Home / 7,656,652.70-10,566,651.39-4,218,892.82

Finding the Fourth Proportional to 7,656,652.70, 10,566,651.39 and 4,218,892.82

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Solution

The fourth proportional to 7,656,652.70, 10,566,651.39 and 4,218,892.82 is: 5,822,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656,652.70 : 10,566,651.39 = 4,218,892.82 : x
  2. Step 2: Convert to fraction form
    7,656,652.70/10,566,651.39 = 4,218,892.82/x
  3. Step 3: Cross multiply
    7,656,652.70x = 10,566,651.39 × 4,218,892.82
  4. Step 4: Simplify right side
    7,656,652.70x = 44,579,569,680,714.02
  5. Step 5: Solve for x
    x = 44,579,569,680,714.02/7,656,652.70
  6. Step 6: Final answer
    x = 5,822,331.43

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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.