Home / 10,966,479.60-16,449,719.40-2,878,921.20

Finding the Fourth Proportional to 10,966,479.60, 16,449,719.40 and 2,878,921.20

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Solution

The fourth proportional to 10,966,479.60, 16,449,719.40 and 2,878,921.20 is: 4,318,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966,479.60 : 16,449,719.40 = 2,878,921.20 : x
  2. Step 2: Convert to fraction form
    10,966,479.60/16,449,719.40 = 2,878,921.20/x
  3. Step 3: Cross multiply
    10,966,479.60x = 16,449,719.40 × 2,878,921.20
  4. Step 4: Simplify right side
    10,966,479.60x = 47,357,445,914,711.28
  5. Step 5: Solve for x
    x = 47,357,445,914,711.28/10,966,479.60
  6. Step 6: Final answer
    x = 4,318,381.80

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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.