Home / 21,442,228.86-32,169,346.20-8,671,701.36

Finding the Fourth Proportional to 21,442,228.86, 32,169,346.20 and 8,671,701.36

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Solution

The fourth proportional to 21,442,228.86, 32,169,346.20 and 8,671,701.36 is: 13,009,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442,228.86 : 32,169,346.20 = 8,671,701.36 : x
  2. Step 2: Convert to fraction form
    21,442,228.86/32,169,346.20 = 8,671,701.36/x
  3. Step 3: Cross multiply
    21,442,228.86x = 32,169,346.20 × 8,671,701.36
  4. Step 4: Simplify right side
    21,442,228.86x = 278,962,963,192,850.81
  5. Step 5: Solve for x
    x = 278,962,963,192,850.81/21,442,228.86
  6. Step 6: Final answer
    x = 13,009,979.75

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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.