Home / 12,907,195.69-17,811,253.90-7,104,844.12

Finding the Fourth Proportional to 12,907,195.69, 17,811,253.90 and 7,104,844.12

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Solution

The fourth proportional to 12,907,195.69, 17,811,253.90 and 7,104,844.12 is: 9,804,312.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907,195.69 : 17,811,253.90 = 7,104,844.12 : x
  2. Step 2: Convert to fraction form
    12,907,195.69/17,811,253.90 = 7,104,844.12/x
  3. Step 3: Cross multiply
    12,907,195.69x = 17,811,253.90 × 7,104,844.12
  4. Step 4: Simplify right side
    12,907,195.69x = 126,546,182,541,242.06
  5. Step 5: Solve for x
    x = 126,546,182,541,242.06/12,907,195.69
  6. Step 6: Final answer
    x = 9,804,312.69

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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.