Home / 13,374,665.16-18,462,687.78-9,029,636.76

Finding the Fourth Proportional to 13,374,665.16, 18,462,687.78 and 9,029,636.76

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Solution

The fourth proportional to 13,374,665.16, 18,462,687.78 and 9,029,636.76 is: 12,464,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,665.16 : 18,462,687.78 = 9,029,636.76 : x
  2. Step 2: Convert to fraction form
    13,374,665.16/18,462,687.78 = 9,029,636.76/x
  3. Step 3: Cross multiply
    13,374,665.16x = 18,462,687.78 × 9,029,636.76
  4. Step 4: Simplify right side
    13,374,665.16x = 166,711,364,266,690.81
  5. Step 5: Solve for x
    x = 166,711,364,266,690.81/13,374,665.16
  6. Step 6: Final answer
    x = 12,464,713.12

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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.