Home / 18,703,743.75-25,828,994.21-17,684,761.10

Finding the Fourth Proportional to 18,703,743.75, 25,828,994.21 and 17,684,761.10

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Solution

The fourth proportional to 18,703,743.75, 25,828,994.21 and 17,684,761.10 is: 24,421,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703,743.75 : 25,828,994.21 = 17,684,761.10 : x
  2. Step 2: Convert to fraction form
    18,703,743.75/25,828,994.21 = 17,684,761.10/x
  3. Step 3: Cross multiply
    18,703,743.75x = 25,828,994.21 × 17,684,761.10
  4. Step 4: Simplify right side
    18,703,743.75x = 456,779,591,839,564.38
  5. Step 5: Solve for x
    x = 456,779,591,839,564.38/18,703,743.75
  6. Step 6: Final answer
    x = 24,421,826.88

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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.