Home / 6,240,639.20-9,342,296.40-5,871,538.40

Finding the Fourth Proportional to 6,240,639.20, 9,342,296.40 and 5,871,538.40

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Solution

The fourth proportional to 6,240,639.20, 9,342,296.40 and 5,871,538.40 is: 8,789,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,639.20 : 9,342,296.40 = 5,871,538.40 : x
  2. Step 2: Convert to fraction form
    6,240,639.20/9,342,296.40 = 5,871,538.40/x
  3. Step 3: Cross multiply
    6,240,639.20x = 9,342,296.40 × 5,871,538.40
  4. Step 4: Simplify right side
    6,240,639.20x = 54,853,652,056,781.77
  5. Step 5: Solve for x
    x = 54,853,652,056,781.77/6,240,639.20
  6. Step 6: Final answer
    x = 8,789,748.98

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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.