Home / 13,712,422.19-18,922,732.51-7,517,257.17

Finding the Fourth Proportional to 13,712,422.19, 18,922,732.51 and 7,517,257.17

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Solution

The fourth proportional to 13,712,422.19, 18,922,732.51 and 7,517,257.17 is: 10,373,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712,422.19 : 18,922,732.51 = 7,517,257.17 : x
  2. Step 2: Convert to fraction form
    13,712,422.19/18,922,732.51 = 7,517,257.17/x
  3. Step 3: Cross multiply
    13,712,422.19x = 18,922,732.51 × 7,517,257.17
  4. Step 4: Simplify right side
    13,712,422.19x = 142,247,046,593,210.84
  5. Step 5: Solve for x
    x = 142,247,046,593,210.84/13,712,422.19
  6. Step 6: Final answer
    x = 10,373,590.07

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1.5x scale

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.