Home / 8,681,984.20-13,019,289.90-4,195,635.40

Finding the Fourth Proportional to 8,681,984.20, 13,019,289.90 and 4,195,635.40

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Solution

The fourth proportional to 8,681,984.20, 13,019,289.90 and 4,195,635.40 is: 6,291,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,984.20 : 13,019,289.90 = 4,195,635.40 : x
  2. Step 2: Convert to fraction form
    8,681,984.20/13,019,289.90 = 4,195,635.40/x
  3. Step 3: Cross multiply
    8,681,984.20x = 13,019,289.90 × 4,195,635.40
  4. Step 4: Simplify right side
    8,681,984.20x = 54,624,193,587,302.47
  5. Step 5: Solve for x
    x = 54,624,193,587,302.47/8,681,984.20
  6. Step 6: Final answer
    x = 6,291,671.62

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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.