Home / 12,019,139.10-16,586,426.54-6,512,509.61

Finding the Fourth Proportional to 12,019,139.10, 16,586,426.54 and 6,512,509.61

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Solution

The fourth proportional to 12,019,139.10, 16,586,426.54 and 6,512,509.61 is: 8,987,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,139.10 : 16,586,426.54 = 6,512,509.61 : x
  2. Step 2: Convert to fraction form
    12,019,139.10/16,586,426.54 = 6,512,509.61/x
  3. Step 3: Cross multiply
    12,019,139.10x = 16,586,426.54 × 6,512,509.61
  4. Step 4: Simplify right side
    12,019,139.10x = 108,019,262,237,309.05
  5. Step 5: Solve for x
    x = 108,019,262,237,309.05/12,019,139.10
  6. Step 6: Final answer
    x = 8,987,271.16

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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.