Home / 13,028,042.76-17,976,837-7,799,798.16

Finding the Fourth Proportional to 13,028,042.76, 17,976,837 and 7,799,798.16

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Solution

The fourth proportional to 13,028,042.76, 17,976,837 and 7,799,798.16 is: 10,762,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,042.76 : 17,976,837 = 7,799,798.16 : x
  2. Step 2: Convert to fraction form
    13,028,042.76/17,976,837 = 7,799,798.16/x
  3. Step 3: Cross multiply
    13,028,042.76x = 17,976,837 × 7,799,798.16
  4. Step 4: Simplify right side
    13,028,042.76x = 140,215,700,155,219.92
  5. Step 5: Solve for x
    x = 140,215,700,155,219.92/13,028,042.76
  6. Step 6: Final answer
    x = 10,762,606.69

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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.