Home / 31,115,582.22-42,938,378.07-17,176,638.15

Finding the Fourth Proportional to 31,115,582.22, 42,938,378.07 and 17,176,638.15

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Solution

The fourth proportional to 31,115,582.22, 42,938,378.07 and 17,176,638.15 is: 23,703,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115,582.22 : 42,938,378.07 = 17,176,638.15 : x
  2. Step 2: Convert to fraction form
    31,115,582.22/42,938,378.07 = 17,176,638.15/x
  3. Step 3: Cross multiply
    31,115,582.22x = 42,938,378.07 × 17,176,638.15
  4. Step 4: Simplify right side
    31,115,582.22x = 737,536,982,856,285.25
  5. Step 5: Solve for x
    x = 737,536,982,856,285.25/31,115,582.22
  6. Step 6: Final answer
    x = 23,703,139.40

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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.