Home / 14,258,243.60-21,387,365.40-13,754,358.80

Finding the Fourth Proportional to 14,258,243.60, 21,387,365.40 and 13,754,358.80

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Solution

The fourth proportional to 14,258,243.60, 21,387,365.40 and 13,754,358.80 is: 20,631,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,243.60 : 21,387,365.40 = 13,754,358.80 : x
  2. Step 2: Convert to fraction form
    14,258,243.60/21,387,365.40 = 13,754,358.80/x
  3. Step 3: Cross multiply
    14,258,243.60x = 21,387,365.40 × 13,754,358.80
  4. Step 4: Simplify right side
    14,258,243.60x = 294,169,497,498,305.50
  5. Step 5: Solve for x
    x = 294,169,497,498,305.50/14,258,243.60
  6. Step 6: Final answer
    x = 20,631,538.20

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Similar ratio
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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.