Home / 18,690,274.62-28,035,225.09-5,910,781.50

Finding the Fourth Proportional to 18,690,274.62, 28,035,225.09 and 5,910,781.50

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Solution

The fourth proportional to 18,690,274.62, 28,035,225.09 and 5,910,781.50 is: 8,866,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690,274.62 : 28,035,225.09 = 5,910,781.50 : x
  2. Step 2: Convert to fraction form
    18,690,274.62/28,035,225.09 = 5,910,781.50/x
  3. Step 3: Cross multiply
    18,690,274.62x = 28,035,225.09 × 5,910,781.50
  4. Step 4: Simplify right side
    18,690,274.62x = 165,710,089,810,307.84
  5. Step 5: Solve for x
    x = 165,710,089,810,307.84/18,690,274.62
  6. Step 6: Final answer
    x = 8,866,113.16

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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.