Home / 13,712,276.66-18,922,821.10-7,517,210.80

Finding the Fourth Proportional to 13,712,276.66, 18,922,821.10 and 7,517,210.80

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Solution

The fourth proportional to 13,712,276.66, 18,922,821.10 and 7,517,210.80 is: 10,373,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712,276.66 : 18,922,821.10 = 7,517,210.80 : x
  2. Step 2: Convert to fraction form
    13,712,276.66/18,922,821.10 = 7,517,210.80/x
  3. Step 3: Cross multiply
    13,712,276.66x = 18,922,821.10 × 7,517,210.80
  4. Step 4: Simplify right side
    13,712,276.66x = 142,246,835,139,387.88
  5. Step 5: Solve for x
    x = 142,246,835,139,387.88/13,712,276.66
  6. Step 6: Final answer
    x = 10,373,684.74

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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.