Home / 13,856,156.22-19,120,724.28-7,660,844.76

Finding the Fourth Proportional to 13,856,156.22, 19,120,724.28 and 7,660,844.76

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Solution

The fourth proportional to 13,856,156.22, 19,120,724.28 and 7,660,844.76 is: 10,571,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,156.22 : 19,120,724.28 = 7,660,844.76 : x
  2. Step 2: Convert to fraction form
    13,856,156.22/19,120,724.28 = 7,660,844.76/x
  3. Step 3: Cross multiply
    13,856,156.22x = 19,120,724.28 × 7,660,844.76
  4. Step 4: Simplify right side
    13,856,156.22x = 146,480,900,407,842.78
  5. Step 5: Solve for x
    x = 146,480,900,407,842.78/13,856,156.22
  6. Step 6: Final answer
    x = 10,571,539.33

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Double scale
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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.