Home / 11,913,213.60-17,869,820.40-9,929,167.20

Finding the Fourth Proportional to 11,913,213.60, 17,869,820.40 and 9,929,167.20

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Solution

The fourth proportional to 11,913,213.60, 17,869,820.40 and 9,929,167.20 is: 14,893,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913,213.60 : 17,869,820.40 = 9,929,167.20 : x
  2. Step 2: Convert to fraction form
    11,913,213.60/17,869,820.40 = 9,929,167.20/x
  3. Step 3: Cross multiply
    11,913,213.60x = 17,869,820.40 × 9,929,167.20
  4. Step 4: Simplify right side
    11,913,213.60x = 177,432,434,585,570.84
  5. Step 5: Solve for x
    x = 177,432,434,585,570.84/11,913,213.60
  6. Step 6: Final answer
    x = 14,893,750.80

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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.