Home / 31,948,079.60-47,894,125.80-19,155,004.40

Finding the Fourth Proportional to 31,948,079.60, 47,894,125.80 and 19,155,004.40

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Solution

The fourth proportional to 31,948,079.60, 47,894,125.80 and 19,155,004.40 is: 28,715,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,948,079.60 : 47,894,125.80 = 19,155,004.40 : x
  2. Step 2: Convert to fraction form
    31,948,079.60/47,894,125.80 = 19,155,004.40/x
  3. Step 3: Cross multiply
    31,948,079.60x = 47,894,125.80 × 19,155,004.40
  4. Step 4: Simplify right side
    31,948,079.60x = 917,412,190,433,153.38
  5. Step 5: Solve for x
    x = 917,412,190,433,153.38/31,948,079.60
  6. Step 6: Final answer
    x = 28,715,722.57

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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.