Home / 18,682,354.32-25,781,660.02-10,422,416.63

Finding the Fourth Proportional to 18,682,354.32, 25,781,660.02 and 10,422,416.63

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Solution

The fourth proportional to 18,682,354.32, 25,781,660.02 and 10,422,416.63 is: 14,382,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,354.32 : 25,781,660.02 = 10,422,416.63 : x
  2. Step 2: Convert to fraction form
    18,682,354.32/25,781,660.02 = 10,422,416.63/x
  3. Step 3: Cross multiply
    18,682,354.32x = 25,781,660.02 × 10,422,416.63
  4. Step 4: Simplify right side
    18,682,354.32x = 268,707,202,218,936.28
  5. Step 5: Solve for x
    x = 268,707,202,218,936.28/18,682,354.32
  6. Step 6: Final answer
    x = 14,382,941.13

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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.