Home / 28,228,576.19-42,343,156.40-8,532,866.56

Finding the Fourth Proportional to 28,228,576.19, 42,343,156.40 and 8,532,866.56

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Solution

The fourth proportional to 28,228,576.19, 42,343,156.40 and 8,532,866.56 is: 12,799,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228,576.19 : 42,343,156.40 = 8,532,866.56 : x
  2. Step 2: Convert to fraction form
    28,228,576.19/42,343,156.40 = 8,532,866.56/x
  3. Step 3: Cross multiply
    28,228,576.19x = 42,343,156.40 × 8,532,866.56
  4. Step 4: Simplify right side
    28,228,576.19x = 361,308,503,091,865
  5. Step 5: Solve for x
    x = 361,308,503,091,865/28,228,576.19
  6. Step 6: Final answer
    x = 12,799,388.13

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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.