Home / 20,304,312.60-30,456,468.90-19,044,600.60

Finding the Fourth Proportional to 20,304,312.60, 30,456,468.90 and 19,044,600.60

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Solution

The fourth proportional to 20,304,312.60, 30,456,468.90 and 19,044,600.60 is: 28,566,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304,312.60 : 30,456,468.90 = 19,044,600.60 : x
  2. Step 2: Convert to fraction form
    20,304,312.60/30,456,468.90 = 19,044,600.60/x
  3. Step 3: Cross multiply
    20,304,312.60x = 30,456,468.90 × 19,044,600.60
  4. Step 4: Simplify right side
    20,304,312.60x = 580,031,285,886,821.38
  5. Step 5: Solve for x
    x = 580,031,285,886,821.38/20,304,312.60
  6. Step 6: Final answer
    x = 28,566,900.90

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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.