Home / 27,120,803.45-40,695,114.49-13,287,498.71

Finding the Fourth Proportional to 27,120,803.45, 40,695,114.49 and 13,287,498.71

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Solution

The fourth proportional to 27,120,803.45, 40,695,114.49 and 13,287,498.71 is: 19,938,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,120,803.45 : 40,695,114.49 = 13,287,498.71 : x
  2. Step 2: Convert to fraction form
    27,120,803.45/40,695,114.49 = 13,287,498.71/x
  3. Step 3: Cross multiply
    27,120,803.45x = 40,695,114.49 × 13,287,498.71
  4. Step 4: Simplify right side
    27,120,803.45x = 540,736,281,085,701.75
  5. Step 5: Solve for x
    x = 540,736,281,085,701.75/27,120,803.45
  6. Step 6: Final answer
    x = 19,938,062.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.