Home / 28,584,015.40-42,876,023.10-16,490,780.20

Finding the Fourth Proportional to 28,584,015.40, 42,876,023.10 and 16,490,780.20

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Solution

The fourth proportional to 28,584,015.40, 42,876,023.10 and 16,490,780.20 is: 24,736,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584,015.40 : 42,876,023.10 = 16,490,780.20 : x
  2. Step 2: Convert to fraction form
    28,584,015.40/42,876,023.10 = 16,490,780.20/x
  3. Step 3: Cross multiply
    28,584,015.40x = 42,876,023.10 × 16,490,780.20
  4. Step 4: Simplify right side
    28,584,015.40x = 707,059,072,792,222.62
  5. Step 5: Solve for x
    x = 707,059,072,792,222.62/28,584,015.40
  6. Step 6: Final answer
    x = 24,736,170.30

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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.