Home / 28,061,594.80-42,060,899.40-11,884,793.20

Finding the Fourth Proportional to 28,061,594.80, 42,060,899.40 and 11,884,793.20

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Solution

The fourth proportional to 28,061,594.80, 42,060,899.40 and 11,884,793.20 is: 17,813,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061,594.80 : 42,060,899.40 = 11,884,793.20 : x
  2. Step 2: Convert to fraction form
    28,061,594.80/42,060,899.40 = 11,884,793.20/x
  3. Step 3: Cross multiply
    28,061,594.80x = 42,060,899.40 × 11,884,793.20
  4. Step 4: Simplify right side
    28,061,594.80x = 499,885,091,175,004
  5. Step 5: Solve for x
    x = 499,885,091,175,004/28,061,594.80
  6. Step 6: Final answer
    x = 17,813,851.80

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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.