Home / 14,378,909.40-21,580,611.30-5,865,355.80

Finding the Fourth Proportional to 14,378,909.40, 21,580,611.30 and 5,865,355.80

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Solution

The fourth proportional to 14,378,909.40, 21,580,611.30 and 5,865,355.80 is: 8,803,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378,909.40 : 21,580,611.30 = 5,865,355.80 : x
  2. Step 2: Convert to fraction form
    14,378,909.40/21,580,611.30 = 5,865,355.80/x
  3. Step 3: Cross multiply
    14,378,909.40x = 21,580,611.30 × 5,865,355.80
  4. Step 4: Simplify right side
    14,378,909.40x = 126,577,963,656,000.55
  5. Step 5: Solve for x
    x = 126,577,963,656,000.55/14,378,909.40
  6. Step 6: Final answer
    x = 8,803,029.50

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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.