Home / 12,875,568.84-17,768,270.57-7,074,336.29

Finding the Fourth Proportional to 12,875,568.84, 17,768,270.57 and 7,074,336.29

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Solution

The fourth proportional to 12,875,568.84, 17,768,270.57 and 7,074,336.29 is: 9,762,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,568.84 : 17,768,270.57 = 7,074,336.29 : x
  2. Step 2: Convert to fraction form
    12,875,568.84/17,768,270.57 = 7,074,336.29/x
  3. Step 3: Cross multiply
    12,875,568.84x = 17,768,270.57 × 7,074,336.29
  4. Step 4: Simplify right side
    12,875,568.84x = 125,698,721,179,676.97
  5. Step 5: Solve for x
    x = 125,698,721,179,676.97/12,875,568.84
  6. Step 6: Final answer
    x = 9,762,576.14

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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.