Home / 15,043,552.47-20,760,185.39-8,168,034.74

Finding the Fourth Proportional to 15,043,552.47, 20,760,185.39 and 8,168,034.74

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Solution

The fourth proportional to 15,043,552.47, 20,760,185.39 and 8,168,034.74 is: 11,271,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043,552.47 : 20,760,185.39 = 8,168,034.74 : x
  2. Step 2: Convert to fraction form
    15,043,552.47/20,760,185.39 = 8,168,034.74/x
  3. Step 3: Cross multiply
    15,043,552.47x = 20,760,185.39 × 8,168,034.74
  4. Step 4: Simplify right side
    15,043,552.47x = 169,569,915,329,719.38
  5. Step 5: Solve for x
    x = 169,569,915,329,719.38/15,043,552.47
  6. Step 6: Final answer
    x = 11,271,932.99

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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.