Home / 21,442,122.09-32,169,186.45-8,671,594.86

Finding the Fourth Proportional to 21,442,122.09, 32,169,186.45 and 8,671,594.86

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Solution

The fourth proportional to 21,442,122.09, 32,169,186.45 and 8,671,594.86 is: 13,009,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442,122.09 : 32,169,186.45 = 8,671,594.86 : x
  2. Step 2: Convert to fraction form
    21,442,122.09/32,169,186.45 = 8,671,594.86/x
  3. Step 3: Cross multiply
    21,442,122.09x = 32,169,186.45 × 8,671,594.86
  4. Step 4: Simplify right side
    21,442,122.09x = 278,958,151,870,201.62
  5. Step 5: Solve for x
    x = 278,958,151,870,201.62/21,442,122.09
  6. Step 6: Final answer
    x = 13,009,820.14

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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.