Home / 7,490,120.12-10,336,362.18-4,227,619.10

Finding the Fourth Proportional to 7,490,120.12, 10,336,362.18 and 4,227,619.10

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Solution

The fourth proportional to 7,490,120.12, 10,336,362.18 and 4,227,619.10 is: 5,834,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,120.12 : 10,336,362.18 = 4,227,619.10 : x
  2. Step 2: Convert to fraction form
    7,490,120.12/10,336,362.18 = 4,227,619.10/x
  3. Step 3: Cross multiply
    7,490,120.12x = 10,336,362.18 × 4,227,619.10
  4. Step 4: Simplify right side
    7,490,120.12x = 43,698,202,176,685.63
  5. Step 5: Solve for x
    x = 43,698,202,176,685.63/7,490,120.12
  6. Step 6: Final answer
    x = 5,834,112.33

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Double scale
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1.5x scale

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.