Home / 12,664,437.08-17,476,938.10-6,863,218.80

Finding the Fourth Proportional to 12,664,437.08, 17,476,938.10 and 6,863,218.80

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Solution

The fourth proportional to 12,664,437.08, 17,476,938.10 and 6,863,218.80 is: 9,471,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664,437.08 : 17,476,938.10 = 6,863,218.80 : x
  2. Step 2: Convert to fraction form
    12,664,437.08/17,476,938.10 = 6,863,218.80/x
  3. Step 3: Cross multiply
    12,664,437.08x = 17,476,938.10 × 6,863,218.80
  4. Step 4: Simplify right side
    12,664,437.08x = 119,948,050,077,396.78
  5. Step 5: Solve for x
    x = 119,948,050,077,396.78/12,664,437.08
  6. Step 6: Final answer
    x = 9,471,250.03

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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.