Home / 13,887,475.20-20,828,102.40-9,128,563.20

Finding the Fourth Proportional to 13,887,475.20, 20,828,102.40 and 9,128,563.20

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Solution

The fourth proportional to 13,887,475.20, 20,828,102.40 and 9,128,563.20 is: 13,690,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,475.20 : 20,828,102.40 = 9,128,563.20 : x
  2. Step 2: Convert to fraction form
    13,887,475.20/20,828,102.40 = 9,128,563.20/x
  3. Step 3: Cross multiply
    13,887,475.20x = 20,828,102.40 × 9,128,563.20
  4. Step 4: Simplify right side
    13,887,475.20x = 190,130,649,094,471.66
  5. Step 5: Solve for x
    x = 190,130,649,094,471.66/13,887,475.20
  6. Step 6: Final answer
    x = 13,690,800.26

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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.