Home / 13,351,243.60-20,018,016.92-4,830,471.28

Finding the Fourth Proportional to 13,351,243.60, 20,018,016.92 and 4,830,471.28

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Solution

The fourth proportional to 13,351,243.60, 20,018,016.92 and 4,830,471.28 is: 7,242,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351,243.60 : 20,018,016.92 = 4,830,471.28 : x
  2. Step 2: Convert to fraction form
    13,351,243.60/20,018,016.92 = 4,830,471.28/x
  3. Step 3: Cross multiply
    13,351,243.60x = 20,018,016.92 × 4,830,471.28
  4. Step 4: Simplify right side
    13,351,243.60x = 96,696,455,814,614.08
  5. Step 5: Solve for x
    x = 96,696,455,814,614.08/13,351,243.60
  6. Step 6: Final answer
    x = 7,242,505.55

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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.