Home / 28,164,681.12-42,253,611.84-8,732,884.80

Finding the Fourth Proportional to 28,164,681.12, 42,253,611.84 and 8,732,884.80

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Solution

The fourth proportional to 28,164,681.12, 42,253,611.84 and 8,732,884.80 is: 13,101,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164,681.12 : 42,253,611.84 = 8,732,884.80 : x
  2. Step 2: Convert to fraction form
    28,164,681.12/42,253,611.84 = 8,732,884.80/x
  3. Step 3: Cross multiply
    28,164,681.12x = 42,253,611.84 × 8,732,884.80
  4. Step 4: Simplify right side
    28,164,681.12x = 368,995,924,582,636.12
  5. Step 5: Solve for x
    x = 368,995,924,582,636.12/28,164,681.12
  6. Step 6: Final answer
    x = 13,101,370.58

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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.