Home / 13,085,443.68-18,056,646-9,649,534.56

Finding the Fourth Proportional to 13,085,443.68, 18,056,646 and 9,649,534.56

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Solution

The fourth proportional to 13,085,443.68, 18,056,646 and 9,649,534.56 is: 13,315,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085,443.68 : 18,056,646 = 9,649,534.56 : x
  2. Step 2: Convert to fraction form
    13,085,443.68/18,056,646 = 9,649,534.56/x
  3. Step 3: Cross multiply
    13,085,443.68x = 18,056,646 × 9,649,534.56
  4. Step 4: Simplify right side
    13,085,443.68x = 174,238,229,614,685.78
  5. Step 5: Solve for x
    x = 174,238,229,614,685.78/13,085,443.68
  6. Step 6: Final answer
    x = 13,315,423.91

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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.