Home / 15,989,313.17-22,065,318.23-8,647,146.15

Finding the Fourth Proportional to 15,989,313.17, 22,065,318.23 and 8,647,146.15

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Solution

The fourth proportional to 15,989,313.17, 22,065,318.23 and 8,647,146.15 is: 11,933,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989,313.17 : 22,065,318.23 = 8,647,146.15 : x
  2. Step 2: Convert to fraction form
    15,989,313.17/22,065,318.23 = 8,647,146.15/x
  3. Step 3: Cross multiply
    15,989,313.17x = 22,065,318.23 × 8,647,146.15
  4. Step 4: Simplify right side
    15,989,313.17x = 190,802,031,537,833.59
  5. Step 5: Solve for x
    x = 190,802,031,537,833.59/15,989,313.17
  6. Step 6: Final answer
    x = 11,933,097.41

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Double scale
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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.