Home / 13,712,275.91-18,922,820.06-7,517,210.06

Finding the Fourth Proportional to 13,712,275.91, 18,922,820.06 and 7,517,210.06

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Solution

The fourth proportional to 13,712,275.91, 18,922,820.06 and 7,517,210.06 is: 10,373,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712,275.91 : 18,922,820.06 = 7,517,210.06 : x
  2. Step 2: Convert to fraction form
    13,712,275.91/18,922,820.06 = 7,517,210.06/x
  3. Step 3: Cross multiply
    13,712,275.91x = 18,922,820.06 × 7,517,210.06
  4. Step 4: Simplify right side
    13,712,275.91x = 142,246,813,384,701.88
  5. Step 5: Solve for x
    x = 142,246,813,384,701.88/13,712,275.91
  6. Step 6: Final answer
    x = 10,373,683.72

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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.