Home / 20,854,503.20-31,281,754.80-14,477,211.20

Finding the Fourth Proportional to 20,854,503.20, 31,281,754.80 and 14,477,211.20

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Solution

The fourth proportional to 20,854,503.20, 31,281,754.80 and 14,477,211.20 is: 21,715,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,503.20 : 31,281,754.80 = 14,477,211.20 : x
  2. Step 2: Convert to fraction form
    20,854,503.20/31,281,754.80 = 14,477,211.20/x
  3. Step 3: Cross multiply
    20,854,503.20x = 31,281,754.80 × 14,477,211.20
  4. Step 4: Simplify right side
    20,854,503.20x = 452,872,570,946,213.75
  5. Step 5: Solve for x
    x = 452,872,570,946,213.75/20,854,503.20
  6. Step 6: Final answer
    x = 21,715,816.80

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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.