Home / 19,216,689.24-26,519,255.10-10,515,034.20

Finding the Fourth Proportional to 19,216,689.24, 26,519,255.10 and 10,515,034.20

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Solution

The fourth proportional to 19,216,689.24, 26,519,255.10 and 10,515,034.20 is: 14,510,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216,689.24 : 26,519,255.10 = 10,515,034.20 : x
  2. Step 2: Convert to fraction form
    19,216,689.24/26,519,255.10 = 10,515,034.20/x
  3. Step 3: Cross multiply
    19,216,689.24x = 26,519,255.10 × 10,515,034.20
  4. Step 4: Simplify right side
    19,216,689.24x = 278,850,874,335,024.41
  5. Step 5: Solve for x
    x = 278,850,874,335,024.41/19,216,689.24
  6. Step 6: Final answer
    x = 14,510,869.74

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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.