Home / 13,028,043.76-17,976,838.38-7,799,799.16

Finding the Fourth Proportional to 13,028,043.76, 17,976,838.38 and 7,799,799.16

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Solution

The fourth proportional to 13,028,043.76, 17,976,838.38 and 7,799,799.16 is: 10,762,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,043.76 : 17,976,838.38 = 7,799,799.16 : x
  2. Step 2: Convert to fraction form
    13,028,043.76/17,976,838.38 = 7,799,799.16/x
  3. Step 3: Cross multiply
    13,028,043.76x = 17,976,838.38 × 7,799,799.16
  4. Step 4: Simplify right side
    13,028,043.76x = 140,215,728,895,779.75
  5. Step 5: Solve for x
    x = 140,215,728,895,779.75/13,028,043.76
  6. Step 6: Final answer
    x = 10,762,608.07

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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.