Home / 25,371,931.78-35,008,201.57-15,442,163.39

Finding the Fourth Proportional to 25,371,931.78, 35,008,201.57 and 15,442,163.39

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Solution

The fourth proportional to 25,371,931.78, 35,008,201.57 and 15,442,163.39 is: 21,307,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,371,931.78 : 35,008,201.57 = 15,442,163.39 : x
  2. Step 2: Convert to fraction form
    25,371,931.78/35,008,201.57 = 15,442,163.39/x
  3. Step 3: Cross multiply
    25,371,931.78x = 35,008,201.57 × 15,442,163.39
  4. Step 4: Simplify right side
    25,371,931.78x = 540,602,368,711,879.12
  5. Step 5: Solve for x
    x = 540,602,368,711,879.12/25,371,931.78
  6. Step 6: Final answer
    x = 21,307,103.20

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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.