Home / 27,856,080.11-38,442,591.16-15,466,174.16

Finding the Fourth Proportional to 27,856,080.11, 38,442,591.16 and 15,466,174.16

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Solution

The fourth proportional to 27,856,080.11, 38,442,591.16 and 15,466,174.16 is: 21,343,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,856,080.11 : 38,442,591.16 = 15,466,174.16 : x
  2. Step 2: Convert to fraction form
    27,856,080.11/38,442,591.16 = 15,466,174.16/x
  3. Step 3: Cross multiply
    27,856,080.11x = 38,442,591.16 × 15,466,174.16
  4. Step 4: Simplify right side
    27,856,080.11x = 594,559,809,811,358
  5. Step 5: Solve for x
    x = 594,559,809,811,358/27,856,080.11
  6. Step 6: Final answer
    x = 21,343,986.93

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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.