Home / 12,649,019.70-17,455,649.91-6,847,849.11

Finding the Fourth Proportional to 12,649,019.70, 17,455,649.91 and 6,847,849.11

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Solution

The fourth proportional to 12,649,019.70, 17,455,649.91 and 6,847,849.11 is: 9,450,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,649,019.70 : 17,455,649.91 = 6,847,849.11 : x
  2. Step 2: Convert to fraction form
    12,649,019.70/17,455,649.91 = 6,847,849.11/x
  3. Step 3: Cross multiply
    12,649,019.70x = 17,455,649.91 × 6,847,849.11
  4. Step 4: Simplify right side
    12,649,019.70x = 119,533,656,613,386.84
  5. Step 5: Solve for x
    x = 119,533,656,613,386.84/12,649,019.70
  6. Step 6: Final answer
    x = 9,450,033.24

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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.