Home / 13,542,348.61-20,313,287.63-5,455,117.52

Finding the Fourth Proportional to 13,542,348.61, 20,313,287.63 and 5,455,117.52

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Solution

The fourth proportional to 13,542,348.61, 20,313,287.63 and 5,455,117.52 is: 8,182,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542,348.61 : 20,313,287.63 = 5,455,117.52 : x
  2. Step 2: Convert to fraction form
    13,542,348.61/20,313,287.63 = 5,455,117.52/x
  3. Step 3: Cross multiply
    13,542,348.61x = 20,313,287.63 × 5,455,117.52
  4. Step 4: Simplify right side
    13,542,348.61x = 110,811,371,202,066.86
  5. Step 5: Solve for x
    x = 110,811,371,202,066.86/13,542,348.61
  6. Step 6: Final answer
    x = 8,182,581.50

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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.