Home / 21,578,343.80-32,367,515.70-8,791,878.20

Finding the Fourth Proportional to 21,578,343.80, 32,367,515.70 and 8,791,878.20

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Solution

The fourth proportional to 21,578,343.80, 32,367,515.70 and 8,791,878.20 is: 13,187,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,578,343.80 : 32,367,515.70 = 8,791,878.20 : x
  2. Step 2: Convert to fraction form
    21,578,343.80/32,367,515.70 = 8,791,878.20/x
  3. Step 3: Cross multiply
    21,578,343.80x = 32,367,515.70 × 8,791,878.20
  4. Step 4: Simplify right side
    21,578,343.80x = 284,571,255,670,987.69
  5. Step 5: Solve for x
    x = 284,571,255,670,987.69/21,578,343.80
  6. Step 6: Final answer
    x = 13,187,817.30

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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.