Home / 12,161,862.15-16,783,371.09-6,655,238.16

Finding the Fourth Proportional to 12,161,862.15, 16,783,371.09 and 6,655,238.16

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Solution

The fourth proportional to 12,161,862.15, 16,783,371.09 and 6,655,238.16 is: 9,184,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,862.15 : 16,783,371.09 = 6,655,238.16 : x
  2. Step 2: Convert to fraction form
    12,161,862.15/16,783,371.09 = 6,655,238.16/x
  3. Step 3: Cross multiply
    12,161,862.15x = 16,783,371.09 × 6,655,238.16
  4. Step 4: Simplify right side
    12,161,862.15x = 111,697,331,731,608.80
  5. Step 5: Solve for x
    x = 111,697,331,731,608.80/12,161,862.15
  6. Step 6: Final answer
    x = 9,184,229.38

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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.