Home / 39,369,197.68-54,329,417.76-21,964,507.36

Finding the Fourth Proportional to 39,369,197.68, 54,329,417.76 and 21,964,507.36

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Solution

The fourth proportional to 39,369,197.68, 54,329,417.76 and 21,964,507.36 is: 30,310,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,369,197.68 : 54,329,417.76 = 21,964,507.36 : x
  2. Step 2: Convert to fraction form
    39,369,197.68/54,329,417.76 = 21,964,507.36/x
  3. Step 3: Cross multiply
    39,369,197.68x = 54,329,417.76 × 21,964,507.36
  4. Step 4: Simplify right side
    39,369,197.68x = 1,193,318,896,254,034.75
  5. Step 5: Solve for x
    x = 1,193,318,896,254,034.75/39,369,197.68
  6. Step 6: Final answer
    x = 30,310,978.29

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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.