Home / 14,267,218.20-21,403,419.30-4,679,928.60

Finding the Fourth Proportional to 14,267,218.20, 21,403,419.30 and 4,679,928.60

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Solution

The fourth proportional to 14,267,218.20, 21,403,419.30 and 4,679,928.60 is: 7,020,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267,218.20 : 21,403,419.30 = 4,679,928.60 : x
  2. Step 2: Convert to fraction form
    14,267,218.20/21,403,419.30 = 4,679,928.60/x
  3. Step 3: Cross multiply
    14,267,218.20x = 21,403,419.30 × 4,679,928.60
  4. Step 4: Simplify right side
    14,267,218.20x = 100,166,474,119,861.97
  5. Step 5: Solve for x
    x = 100,166,474,119,861.97/14,267,218.20
  6. Step 6: Final answer
    x = 7,020,743.13

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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.