Home / 10,978,992.36-15,132,093.54-7,301,336.04

Finding the Fourth Proportional to 10,978,992.36, 15,132,093.54 and 7,301,336.04

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Solution

The fourth proportional to 10,978,992.36, 15,132,093.54 and 7,301,336.04 is: 10,063,264.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978,992.36 : 15,132,093.54 = 7,301,336.04 : x
  2. Step 2: Convert to fraction form
    10,978,992.36/15,132,093.54 = 7,301,336.04/x
  3. Step 3: Cross multiply
    10,978,992.36x = 15,132,093.54 × 7,301,336.04
  4. Step 4: Simplify right side
    10,978,992.36x = 110,484,499,924,253.17
  5. Step 5: Solve for x
    x = 110,484,499,924,253.17/10,978,992.36
  6. Step 6: Final answer
    x = 10,063,264.12

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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.