Home / 13,812,726.96-19,061,686.44-7,618,013.28

Finding the Fourth Proportional to 13,812,726.96, 19,061,686.44 and 7,618,013.28

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Solution

The fourth proportional to 13,812,726.96, 19,061,686.44 and 7,618,013.28 is: 10,512,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812,726.96 : 19,061,686.44 = 7,618,013.28 : x
  2. Step 2: Convert to fraction form
    13,812,726.96/19,061,686.44 = 7,618,013.28/x
  3. Step 3: Cross multiply
    13,812,726.96x = 19,061,686.44 × 7,618,013.28
  4. Step 4: Simplify right side
    13,812,726.96x = 145,212,180,439,115.94
  5. Step 5: Solve for x
    x = 145,212,180,439,115.94/13,812,726.96
  6. Step 6: Final answer
    x = 10,512,926.29

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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.