Home / 20,722,553.48-31,087,570.38-9,368,349.32

Finding the Fourth Proportional to 20,722,553.48, 31,087,570.38 and 9,368,349.32

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Solution

The fourth proportional to 20,722,553.48, 31,087,570.38 and 9,368,349.32 is: 14,054,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722,553.48 : 31,087,570.38 = 9,368,349.32 : x
  2. Step 2: Convert to fraction form
    20,722,553.48/31,087,570.38 = 9,368,349.32/x
  3. Step 3: Cross multiply
    20,722,553.48x = 31,087,570.38 × 9,368,349.32
  4. Step 4: Simplify right side
    20,722,553.48x = 291,239,218,829,925.12
  5. Step 5: Solve for x
    x = 291,239,218,829,925.12/20,722,553.48
  6. Step 6: Final answer
    x = 14,054,214.85

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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.