Home / 23,684,142.64-32,686,015.60-18,829,429.12

Finding the Fourth Proportional to 23,684,142.64, 32,686,015.60 and 18,829,429.12

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Solution

The fourth proportional to 23,684,142.64, 32,686,015.60 and 18,829,429.12 is: 25,986,121.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,684,142.64 : 32,686,015.60 = 18,829,429.12 : x
  2. Step 2: Convert to fraction form
    23,684,142.64/32,686,015.60 = 18,829,429.12/x
  3. Step 3: Cross multiply
    23,684,142.64x = 32,686,015.60 × 18,829,429.12
  4. Step 4: Simplify right side
    23,684,142.64x = 615,459,013,955,414.38
  5. Step 5: Solve for x
    x = 615,459,013,955,414.38/23,684,142.64
  6. Step 6: Final answer
    x = 25,986,121.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.