Home / 28,371,229.60-42,556,844.40-10,418,000.80

Finding the Fourth Proportional to 28,371,229.60, 42,556,844.40 and 10,418,000.80

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Solution

The fourth proportional to 28,371,229.60, 42,556,844.40 and 10,418,000.80 is: 15,627,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371,229.60 : 42,556,844.40 = 10,418,000.80 : x
  2. Step 2: Convert to fraction form
    28,371,229.60/42,556,844.40 = 10,418,000.80/x
  3. Step 3: Cross multiply
    28,371,229.60x = 42,556,844.40 × 10,418,000.80
  4. Step 4: Simplify right side
    28,371,229.60x = 443,357,239,004,675.56
  5. Step 5: Solve for x
    x = 443,357,239,004,675.56/28,371,229.60
  6. Step 6: Final answer
    x = 15,627,001.20

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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.