Home / 20,356,553.60-30,534,830.40-19,482,876.80

Finding the Fourth Proportional to 20,356,553.60, 30,534,830.40 and 19,482,876.80

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Solution

The fourth proportional to 20,356,553.60, 30,534,830.40 and 19,482,876.80 is: 29,224,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,356,553.60 : 30,534,830.40 = 19,482,876.80 : x
  2. Step 2: Convert to fraction form
    20,356,553.60/30,534,830.40 = 19,482,876.80/x
  3. Step 3: Cross multiply
    20,356,553.60x = 30,534,830.40 × 19,482,876.80
  4. Step 4: Simplify right side
    20,356,553.60x = 594,906,338,792,094.75
  5. Step 5: Solve for x
    x = 594,906,338,792,094.75/20,356,553.60
  6. Step 6: Final answer
    x = 29,224,315.20

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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.