Home / 8,271,312.90-12,406,973.85-2,591,981.70

Finding the Fourth Proportional to 8,271,312.90, 12,406,973.85 and 2,591,981.70

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Solution

The fourth proportional to 8,271,312.90, 12,406,973.85 and 2,591,981.70 is: 3,887,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,312.90 : 12,406,973.85 = 2,591,981.70 : x
  2. Step 2: Convert to fraction form
    8,271,312.90/12,406,973.85 = 2,591,981.70/x
  3. Step 3: Cross multiply
    8,271,312.90x = 12,406,973.85 × 2,591,981.70
  4. Step 4: Simplify right side
    8,271,312.90x = 32,158,649,171,578.55
  5. Step 5: Solve for x
    x = 32,158,649,171,578.55/8,271,312.90
  6. Step 6: Final answer
    x = 3,887,973.96

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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.