Home / 13,712,426.20-18,922,738.02-7,517,261.17

Finding the Fourth Proportional to 13,712,426.20, 18,922,738.02 and 7,517,261.17

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Solution

The fourth proportional to 13,712,426.20, 18,922,738.02 and 7,517,261.17 is: 10,373,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712,426.20 : 18,922,738.02 = 7,517,261.17 : x
  2. Step 2: Convert to fraction form
    13,712,426.20/18,922,738.02 = 7,517,261.17/x
  3. Step 3: Cross multiply
    13,712,426.20x = 18,922,738.02 × 7,517,261.17
  4. Step 4: Simplify right side
    13,712,426.20x = 142,247,163,747,828.69
  5. Step 5: Solve for x
    x = 142,247,163,747,828.69/13,712,426.20
  6. Step 6: Final answer
    x = 10,373,595.57

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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.