Home / 15,587,452.71-21,510,008.15-8,522,916.39

Finding the Fourth Proportional to 15,587,452.71, 21,510,008.15 and 8,522,916.39

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Solution

The fourth proportional to 15,587,452.71, 21,510,008.15 and 8,522,916.39 is: 11,761,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587,452.71 : 21,510,008.15 = 8,522,916.39 : x
  2. Step 2: Convert to fraction form
    15,587,452.71/21,510,008.15 = 8,522,916.39/x
  3. Step 3: Cross multiply
    15,587,452.71x = 21,510,008.15 × 8,522,916.39
  4. Step 4: Simplify right side
    15,587,452.71x = 183,328,000,968,054
  5. Step 5: Solve for x
    x = 183,328,000,968,054/15,587,452.71
  6. Step 6: Final answer
    x = 11,761,254.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.