Home / 20,178,221.40-30,267,332.10-16,635,281.40

Finding the Fourth Proportional to 20,178,221.40, 30,267,332.10 and 16,635,281.40

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Solution

The fourth proportional to 20,178,221.40, 30,267,332.10 and 16,635,281.40 is: 24,952,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,221.40 : 30,267,332.10 = 16,635,281.40 : x
  2. Step 2: Convert to fraction form
    20,178,221.40/30,267,332.10 = 16,635,281.40/x
  3. Step 3: Cross multiply
    20,178,221.40x = 30,267,332.10 × 16,635,281.40
  4. Step 4: Simplify right side
    20,178,221.40x = 503,505,586,710,753
  5. Step 5: Solve for x
    x = 503,505,586,710,753/20,178,221.40
  6. Step 6: Final answer
    x = 24,952,922.10

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1.5x scale

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.