Home / 13,862,846.22-19,129,443.95-7,667,759.62

Finding the Fourth Proportional to 13,862,846.22, 19,129,443.95 and 7,667,759.62

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Solution

The fourth proportional to 13,862,846.22, 19,129,443.95 and 7,667,759.62 is: 10,580,798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862,846.22 : 19,129,443.95 = 7,667,759.62 : x
  2. Step 2: Convert to fraction form
    13,862,846.22/19,129,443.95 = 7,667,759.62/x
  3. Step 3: Cross multiply
    13,862,846.22x = 19,129,443.95 × 7,667,759.62
  4. Step 4: Simplify right side
    13,862,846.22x = 146,679,977,948,176.66
  5. Step 5: Solve for x
    x = 146,679,977,948,176.66/13,862,846.22
  6. Step 6: Final answer
    x = 10,580,798.17

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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.