Home / 20,181,425.40-30,254,139.90-7,398,951.48

Finding the Fourth Proportional to 20,181,425.40, 30,254,139.90 and 7,398,951.48

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Solution

The fourth proportional to 20,181,425.40, 30,254,139.90 and 7,398,951.48 is: 11,091,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,425.40 : 30,254,139.90 = 7,398,951.48 : x
  2. Step 2: Convert to fraction form
    20,181,425.40/30,254,139.90 = 7,398,951.48/x
  3. Step 3: Cross multiply
    20,181,425.40x = 30,254,139.90 × 7,398,951.48
  4. Step 4: Simplify right side
    20,181,425.40x = 223,848,913,189,232.06
  5. Step 5: Solve for x
    x = 223,848,913,189,232.06/20,181,425.40
  6. Step 6: Final answer
    x = 11,091,828.69

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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.