Home / 21,948,957.54-30,291,421.37-12,162,471.53

Finding the Fourth Proportional to 21,948,957.54, 30,291,421.37 and 12,162,471.53

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Solution

The fourth proportional to 21,948,957.54, 30,291,421.37 and 12,162,471.53 is: 16,785,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948,957.54 : 30,291,421.37 = 12,162,471.53 : x
  2. Step 2: Convert to fraction form
    21,948,957.54/30,291,421.37 = 12,162,471.53/x
  3. Step 3: Cross multiply
    21,948,957.54x = 30,291,421.37 × 12,162,471.53
  4. Step 4: Simplify right side
    21,948,957.54x = 368,418,549,803,589.12
  5. Step 5: Solve for x
    x = 368,418,549,803,589.12/21,948,957.54
  6. Step 6: Final answer
    x = 16,785,241.36

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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.