Home / 28,261,104.90-42,391,657.35-6,985,968.90

Finding the Fourth Proportional to 28,261,104.90, 42,391,657.35 and 6,985,968.90

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Solution

The fourth proportional to 28,261,104.90, 42,391,657.35 and 6,985,968.90 is: 10,478,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261,104.90 : 42,391,657.35 = 6,985,968.90 : x
  2. Step 2: Convert to fraction form
    28,261,104.90/42,391,657.35 = 6,985,968.90/x
  3. Step 3: Cross multiply
    28,261,104.90x = 42,391,657.35 × 6,985,968.90
  4. Step 4: Simplify right side
    28,261,104.90x = 296,146,799,866,556.44
  5. Step 5: Solve for x
    x = 296,146,799,866,556.44/28,261,104.90
  6. Step 6: Final answer
    x = 10,478,953.35

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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.