Home / 10,955,380.90-15,113,673.36-6,601,993.36

Finding the Fourth Proportional to 10,955,380.90, 15,113,673.36 and 6,601,993.36

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Solution

The fourth proportional to 10,955,380.90, 15,113,673.36 and 6,601,993.36 is: 9,107,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955,380.90 : 15,113,673.36 = 6,601,993.36 : x
  2. Step 2: Convert to fraction form
    10,955,380.90/15,113,673.36 = 6,601,993.36/x
  3. Step 3: Cross multiply
    10,955,380.90x = 15,113,673.36 × 6,601,993.36
  4. Step 4: Simplify right side
    10,955,380.90x = 99,780,371,167,928.89
  5. Step 5: Solve for x
    x = 99,780,371,167,928.89/10,955,380.90
  6. Step 6: Final answer
    x = 9,107,886.99

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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.