Home / 28,696,501.74-39,600,912.51-15,819,445.74

Finding the Fourth Proportional to 28,696,501.74, 39,600,912.51 and 15,819,445.74

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Solution

The fourth proportional to 28,696,501.74, 39,600,912.51 and 15,819,445.74 is: 21,830,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696,501.74 : 39,600,912.51 = 15,819,445.74 : x
  2. Step 2: Convert to fraction form
    28,696,501.74/39,600,912.51 = 15,819,445.74/x
  3. Step 3: Cross multiply
    28,696,501.74x = 39,600,912.51 × 15,819,445.74
  4. Step 4: Simplify right side
    28,696,501.74x = 626,464,486,706,432.12
  5. Step 5: Solve for x
    x = 626,464,486,706,432.12/28,696,501.74
  6. Step 6: Final answer
    x = 21,830,691.85

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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.