Home / 13,819,726.38-19,071,168.83-7,625,158.69

Finding the Fourth Proportional to 13,819,726.38, 19,071,168.83 and 7,625,158.69

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Solution

The fourth proportional to 13,819,726.38, 19,071,168.83 and 7,625,158.69 is: 10,522,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819,726.38 : 19,071,168.83 = 7,625,158.69 : x
  2. Step 2: Convert to fraction form
    13,819,726.38/19,071,168.83 = 7,625,158.69/x
  3. Step 3: Cross multiply
    13,819,726.38x = 19,071,168.83 × 7,625,158.69
  4. Step 4: Simplify right side
    13,819,726.38x = 145,420,688,657,443.03
  5. Step 5: Solve for x
    x = 145,420,688,657,443.03/13,819,726.38
  6. Step 6: Final answer
    x = 10,522,689.43

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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.