Home / 8,748,019.20-13,125,965.40-3,953,240.40

Finding the Fourth Proportional to 8,748,019.20, 13,125,965.40 and 3,953,240.40

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Solution

The fourth proportional to 8,748,019.20, 13,125,965.40 and 3,953,240.40 is: 5,931,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,019.20 : 13,125,965.40 = 3,953,240.40 : x
  2. Step 2: Convert to fraction form
    8,748,019.20/13,125,965.40 = 3,953,240.40/x
  3. Step 3: Cross multiply
    8,748,019.20x = 13,125,965.40 × 3,953,240.40
  4. Step 4: Simplify right side
    8,748,019.20x = 51,890,096,708,282.16
  5. Step 5: Solve for x
    x = 51,890,096,708,282.16/8,748,019.20
  6. Step 6: Final answer
    x = 5,931,639.55

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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.