Home / 12,331,274.36-18,498,683.61-3,812,275.13

Finding the Fourth Proportional to 12,331,274.36, 18,498,683.61 and 3,812,275.13

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Solution

The fourth proportional to 12,331,274.36, 18,498,683.61 and 3,812,275.13 is: 5,718,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,274.36 : 18,498,683.61 = 3,812,275.13 : x
  2. Step 2: Convert to fraction form
    12,331,274.36/18,498,683.61 = 3,812,275.13/x
  3. Step 3: Cross multiply
    12,331,274.36x = 18,498,683.61 × 3,812,275.13
  4. Step 4: Simplify right side
    12,331,274.36x = 70,522,071,371,648.20
  5. Step 5: Solve for x
    x = 70,522,071,371,648.20/12,331,274.36
  6. Step 6: Final answer
    x = 5,718,960.53

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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.