Home / 13,437,333.20-20,155,999.80-7,465,365.20

Finding the Fourth Proportional to 13,437,333.20, 20,155,999.80 and 7,465,365.20

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Solution

The fourth proportional to 13,437,333.20, 20,155,999.80 and 7,465,365.20 is: 11,198,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437,333.20 : 20,155,999.80 = 7,465,365.20 : x
  2. Step 2: Convert to fraction form
    13,437,333.20/20,155,999.80 = 7,465,365.20/x
  3. Step 3: Cross multiply
    13,437,333.20x = 20,155,999.80 × 7,465,365.20
  4. Step 4: Simplify right side
    13,437,333.20x = 150,471,899,478,126.97
  5. Step 5: Solve for x
    x = 150,471,899,478,126.97/13,437,333.20
  6. Step 6: Final answer
    x = 11,198,047.80

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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.