Home / 15,330,099-21,155,557.61-8,360,793.39

Finding the Fourth Proportional to 15,330,099, 21,155,557.61 and 8,360,793.39

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Solution

The fourth proportional to 15,330,099, 21,155,557.61 and 8,360,793.39 is: 11,537,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330,099 : 21,155,557.61 = 8,360,793.39 : x
  2. Step 2: Convert to fraction form
    15,330,099/21,155,557.61 = 8,360,793.39/x
  3. Step 3: Cross multiply
    15,330,099x = 21,155,557.61 × 8,360,793.39
  4. Step 4: Simplify right side
    15,330,099x = 176,877,246,227,452.19
  5. Step 5: Solve for x
    x = 176,877,246,227,452.19/15,330,099
  6. Step 6: Final answer
    x = 11,537,906.33

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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.