Home / 19,739,946.40-29,609,919.60-15,255,440.80

Finding the Fourth Proportional to 19,739,946.40, 29,609,919.60 and 15,255,440.80

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Solution

The fourth proportional to 19,739,946.40, 29,609,919.60 and 15,255,440.80 is: 22,883,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739,946.40 : 29,609,919.60 = 15,255,440.80 : x
  2. Step 2: Convert to fraction form
    19,739,946.40/29,609,919.60 = 15,255,440.80/x
  3. Step 3: Cross multiply
    19,739,946.40x = 29,609,919.60 × 15,255,440.80
  4. Step 4: Simplify right side
    19,739,946.40x = 451,712,375,550,559.75
  5. Step 5: Solve for x
    x = 451,712,375,550,559.75/19,739,946.40
  6. Step 6: Final answer
    x = 22,883,161.20

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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.