Home / 31,948,078.60-47,894,124.30-19,155,003.40

Finding the Fourth Proportional to 31,948,078.60, 47,894,124.30 and 19,155,003.40

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Solution

The fourth proportional to 31,948,078.60, 47,894,124.30 and 19,155,003.40 is: 28,715,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,948,078.60 : 47,894,124.30 = 19,155,003.40 : x
  2. Step 2: Convert to fraction form
    31,948,078.60/47,894,124.30 = 19,155,003.40/x
  3. Step 3: Cross multiply
    31,948,078.60x = 47,894,124.30 × 19,155,003.40
  4. Step 4: Simplify right side
    31,948,078.60x = 917,412,113,806,522.50
  5. Step 5: Solve for x
    x = 917,412,113,806,522.50/31,948,078.60
  6. Step 6: Final answer
    x = 28,715,721.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.