Home / 12,427,147.08-17,145,353.16-7,266,855.78

Finding the Fourth Proportional to 12,427,147.08, 17,145,353.16 and 7,266,855.78

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Solution

The fourth proportional to 12,427,147.08, 17,145,353.16 and 7,266,855.78 is: 10,025,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,147.08 : 17,145,353.16 = 7,266,855.78 : x
  2. Step 2: Convert to fraction form
    12,427,147.08/17,145,353.16 = 7,266,855.78/x
  3. Step 3: Cross multiply
    12,427,147.08x = 17,145,353.16 × 7,266,855.78
  4. Step 4: Simplify right side
    12,427,147.08x = 124,592,808,710,887.27
  5. Step 5: Solve for x
    x = 124,592,808,710,887.27/12,427,147.08
  6. Step 6: Final answer
    x = 10,025,857.74

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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.