Home / 9,251,389.60-13,878,406.40-2,862,187.36

Finding the Fourth Proportional to 9,251,389.60, 13,878,406.40 and 2,862,187.36

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Solution

The fourth proportional to 9,251,389.60, 13,878,406.40 and 2,862,187.36 is: 4,293,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251,389.60 : 13,878,406.40 = 2,862,187.36 : x
  2. Step 2: Convert to fraction form
    9,251,389.60/13,878,406.40 = 2,862,187.36/x
  3. Step 3: Cross multiply
    9,251,389.60x = 13,878,406.40 × 2,862,187.36
  4. Step 4: Simplify right side
    9,251,389.60x = 39,722,599,375,023.10
  5. Step 5: Solve for x
    x = 39,722,599,375,023.10/9,251,389.60
  6. Step 6: Final answer
    x = 4,293,690.04

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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.