Home / 20,085,268.19-30,102,686.18-10,862,873.06

Finding the Fourth Proportional to 20,085,268.19, 30,102,686.18 and 10,862,873.06

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Solution

The fourth proportional to 20,085,268.19, 30,102,686.18 and 10,862,873.06 is: 16,280,671.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085,268.19 : 30,102,686.18 = 10,862,873.06 : x
  2. Step 2: Convert to fraction form
    20,085,268.19/30,102,686.18 = 10,862,873.06/x
  3. Step 3: Cross multiply
    20,085,268.19x = 30,102,686.18 × 10,862,873.06
  4. Step 4: Simplify right side
    20,085,268.19x = 327,001,658,684,042
  5. Step 5: Solve for x
    x = 327,001,658,684,042/20,085,268.19
  6. Step 6: Final answer
    x = 16,280,671.76

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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.