Home / 21,690,644.13-32,535,825.75-5,516,455.65

Finding the Fourth Proportional to 21,690,644.13, 32,535,825.75 and 5,516,455.65

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Solution

The fourth proportional to 21,690,644.13, 32,535,825.75 and 5,516,455.65 is: 8,274,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,690,644.13 : 32,535,825.75 = 5,516,455.65 : x
  2. Step 2: Convert to fraction form
    21,690,644.13/32,535,825.75 = 5,516,455.65/x
  3. Step 3: Cross multiply
    21,690,644.13x = 32,535,825.75 × 5,516,455.65
  4. Step 4: Simplify right side
    21,690,644.13x = 179,482,439,885,004.38
  5. Step 5: Solve for x
    x = 179,482,439,885,004.38/21,690,644.13
  6. Step 6: Final answer
    x = 8,274,647.76

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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.