Home / 28,064,959.89-42,098,948.88-8,897,211.63

Finding the Fourth Proportional to 28,064,959.89, 42,098,948.88 and 8,897,211.63

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Solution

The fourth proportional to 28,064,959.89, 42,098,948.88 and 8,897,211.63 is: 13,346,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064,959.89 : 42,098,948.88 = 8,897,211.63 : x
  2. Step 2: Convert to fraction form
    28,064,959.89/42,098,948.88 = 8,897,211.63/x
  3. Step 3: Cross multiply
    28,064,959.89x = 42,098,948.88 × 8,897,211.63
  4. Step 4: Simplify right side
    28,064,959.89x = 374,563,257,585,911.56
  5. Step 5: Solve for x
    x = 374,563,257,585,911.56/28,064,959.89
  6. Step 6: Final answer
    x = 13,346,295.85

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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.