Home / 7,490,143.22-10,336,394.14-4,227,642.23

Finding the Fourth Proportional to 7,490,143.22, 10,336,394.14 and 4,227,642.23

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Solution

The fourth proportional to 7,490,143.22, 10,336,394.14 and 4,227,642.23 is: 5,834,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,143.22 : 10,336,394.14 = 4,227,642.23 : x
  2. Step 2: Convert to fraction form
    7,490,143.22/10,336,394.14 = 4,227,642.23/x
  3. Step 3: Cross multiply
    7,490,143.22x = 10,336,394.14 × 4,227,642.23
  4. Step 4: Simplify right side
    7,490,143.22x = 43,698,576,309,937.45
  5. Step 5: Solve for x
    x = 43,698,576,309,937.45/7,490,143.22
  6. Step 6: Final answer
    x = 5,834,144.30

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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.