Home / 14,001,947.60-21,002,921.40-13,404,750.80

Finding the Fourth Proportional to 14,001,947.60, 21,002,921.40 and 13,404,750.80

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Solution

The fourth proportional to 14,001,947.60, 21,002,921.40 and 13,404,750.80 is: 20,107,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,947.60 : 21,002,921.40 = 13,404,750.80 : x
  2. Step 2: Convert to fraction form
    14,001,947.60/21,002,921.40 = 13,404,750.80/x
  3. Step 3: Cross multiply
    14,001,947.60x = 21,002,921.40 × 13,404,750.80
  4. Step 4: Simplify right side
    14,001,947.60x = 281,538,927,438,987.12
  5. Step 5: Solve for x
    x = 281,538,927,438,987.12/14,001,947.60
  6. Step 6: Final answer
    x = 20,107,126.20

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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.