Home / 27,584,149.82-38,065,661.69-15,195,402.11

Finding the Fourth Proportional to 27,584,149.82, 38,065,661.69 and 15,195,402.11

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Solution

The fourth proportional to 27,584,149.82, 38,065,661.69 and 15,195,402.11 is: 20,969,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,584,149.82 : 38,065,661.69 = 15,195,402.11 : x
  2. Step 2: Convert to fraction form
    27,584,149.82/38,065,661.69 = 15,195,402.11/x
  3. Step 3: Cross multiply
    27,584,149.82x = 38,065,661.69 × 15,195,402.11
  4. Step 4: Simplify right side
    27,584,149.82x = 578,423,035,696,466.88
  5. Step 5: Solve for x
    x = 578,423,035,696,466.88/27,584,149.82
  6. Step 6: Final answer
    x = 20,969,398.72

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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.