Home / 16,109,021.80-22,230,966.18-9,234,807.40

Finding the Fourth Proportional to 16,109,021.80, 22,230,966.18 and 9,234,807.40

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Solution

The fourth proportional to 16,109,021.80, 22,230,966.18 and 9,234,807.40 is: 12,744,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,109,021.80 : 22,230,966.18 = 9,234,807.40 : x
  2. Step 2: Convert to fraction form
    16,109,021.80/22,230,966.18 = 9,234,807.40/x
  3. Step 3: Cross multiply
    16,109,021.80x = 22,230,966.18 × 9,234,807.40
  4. Step 4: Simplify right side
    16,109,021.80x = 205,298,690,988,213.75
  5. Step 5: Solve for x
    x = 205,298,690,988,213.75/16,109,021.80
  6. Step 6: Final answer
    x = 12,744,330.07

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1.5x scale

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.