Home / 7,129,215.20-10,693,822.80-4,294,863.20

Finding the Fourth Proportional to 7,129,215.20, 10,693,822.80 and 4,294,863.20

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Solution

The fourth proportional to 7,129,215.20, 10,693,822.80 and 4,294,863.20 is: 6,442,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,215.20 : 10,693,822.80 = 4,294,863.20 : x
  2. Step 2: Convert to fraction form
    7,129,215.20/10,693,822.80 = 4,294,863.20/x
  3. Step 3: Cross multiply
    7,129,215.20x = 10,693,822.80 × 4,294,863.20
  4. Step 4: Simplify right side
    7,129,215.20x = 45,928,506,011,040.97
  5. Step 5: Solve for x
    x = 45,928,506,011,040.97/7,129,215.20
  6. Step 6: Final answer
    x = 6,442,294.80

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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.