Home / 10,980,380.78-15,144,089.96-9,652,966.31

Finding the Fourth Proportional to 10,980,380.78, 15,144,089.96 and 9,652,966.31

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Solution

The fourth proportional to 10,980,380.78, 15,144,089.96 and 9,652,966.31 is: 13,313,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980,380.78 : 15,144,089.96 = 9,652,966.31 : x
  2. Step 2: Convert to fraction form
    10,980,380.78/15,144,089.96 = 9,652,966.31/x
  3. Step 3: Cross multiply
    10,980,380.78x = 15,144,089.96 × 9,652,966.31
  4. Step 4: Simplify right side
    10,980,380.78x = 146,185,390,103,768.81
  5. Step 5: Solve for x
    x = 146,185,390,103,768.81/10,980,380.78
  6. Step 6: Final answer
    x = 13,313,326.11

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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.