Home / 13,374,686.31-18,462,716.82-9,029,657.85

Finding the Fourth Proportional to 13,374,686.31, 18,462,716.82 and 9,029,657.85

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Solution

The fourth proportional to 13,374,686.31, 18,462,716.82 and 9,029,657.85 is: 12,464,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,686.31 : 18,462,716.82 = 9,029,657.85 : x
  2. Step 2: Convert to fraction form
    13,374,686.31/18,462,716.82 = 9,029,657.85/x
  3. Step 3: Cross multiply
    13,374,686.31x = 18,462,716.82 × 9,029,657.85
  4. Step 4: Simplify right side
    13,374,686.31x = 166,712,015,866,040.03
  5. Step 5: Solve for x
    x = 166,712,015,866,040.03/13,374,686.31
  6. Step 6: Final answer
    x = 12,464,742.13

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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.