Home / 10,243,185.70-15,364,778.55-5,141,352.10

Finding the Fourth Proportional to 10,243,185.70, 15,364,778.55 and 5,141,352.10

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Solution

The fourth proportional to 10,243,185.70, 15,364,778.55 and 5,141,352.10 is: 7,712,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243,185.70 : 15,364,778.55 = 5,141,352.10 : x
  2. Step 2: Convert to fraction form
    10,243,185.70/15,364,778.55 = 5,141,352.10/x
  3. Step 3: Cross multiply
    10,243,185.70x = 15,364,778.55 × 5,141,352.10
  4. Step 4: Simplify right side
    10,243,185.70x = 78,995,736,464,077.45
  5. Step 5: Solve for x
    x = 78,995,736,464,077.45/10,243,185.70
  6. Step 6: Final answer
    x = 7,712,028.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.