Home / 7,490,143.09-10,336,393.96-4,227,642.10

Finding the Fourth Proportional to 7,490,143.09, 10,336,393.96 and 4,227,642.10

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Solution

The fourth proportional to 7,490,143.09, 10,336,393.96 and 4,227,642.10 is: 5,834,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,143.09 : 10,336,393.96 = 4,227,642.10 : x
  2. Step 2: Convert to fraction form
    7,490,143.09/10,336,393.96 = 4,227,642.10/x
  3. Step 3: Cross multiply
    7,490,143.09x = 10,336,393.96 × 4,227,642.10
  4. Step 4: Simplify right side
    7,490,143.09x = 43,698,574,267,481.72
  5. Step 5: Solve for x
    x = 43,698,574,267,481.72/7,490,143.09
  6. Step 6: Final answer
    x = 5,834,144.12

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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.