Home / 34,378,959.79-47,443,862.19-18,909,450.46

Finding the Fourth Proportional to 34,378,959.79, 47,443,862.19 and 18,909,450.46

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Solution

The fourth proportional to 34,378,959.79, 47,443,862.19 and 18,909,450.46 is: 26,095,535.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,378,959.79 : 47,443,862.19 = 18,909,450.46 : x
  2. Step 2: Convert to fraction form
    34,378,959.79/47,443,862.19 = 18,909,450.46/x
  3. Step 3: Cross multiply
    34,378,959.79x = 47,443,862.19 × 18,909,450.46
  4. Step 4: Simplify right side
    34,378,959.79x = 897,137,361,712,872.12
  5. Step 5: Solve for x
    x = 897,137,361,712,872.12/34,378,959.79
  6. Step 6: Final answer
    x = 26,095,535.39

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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.