Home / 16,290,587.20-22,479,699.28-9,415,514.56

Finding the Fourth Proportional to 16,290,587.20, 22,479,699.28 and 9,415,514.56

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Solution

The fourth proportional to 16,290,587.20, 22,479,699.28 and 9,415,514.56 is: 12,992,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290,587.20 : 22,479,699.28 = 9,415,514.56 : x
  2. Step 2: Convert to fraction form
    16,290,587.20/22,479,699.28 = 9,415,514.56/x
  3. Step 3: Cross multiply
    16,290,587.20x = 22,479,699.28 × 9,415,514.56
  4. Step 4: Simplify right side
    16,290,587.20x = 211,657,935,875,261.53
  5. Step 5: Solve for x
    x = 211,657,935,875,261.53/16,290,587.20
  6. Step 6: Final answer
    x = 12,992,652.34

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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.