Home / 12,723,040.36-17,557,836.90-6,921,820.84

Finding the Fourth Proportional to 12,723,040.36, 17,557,836.90 and 6,921,820.84

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Solution

The fourth proportional to 12,723,040.36, 17,557,836.90 and 6,921,820.84 is: 9,552,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723,040.36 : 17,557,836.90 = 6,921,820.84 : x
  2. Step 2: Convert to fraction form
    12,723,040.36/17,557,836.90 = 6,921,820.84/x
  3. Step 3: Cross multiply
    12,723,040.36x = 17,557,836.90 × 6,921,820.84
  4. Step 4: Simplify right side
    12,723,040.36x = 121,532,201,359,740.98
  5. Step 5: Solve for x
    x = 121,532,201,359,740.98/12,723,040.36
  6. Step 6: Final answer
    x = 9,552,135.18

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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.