Home / 18,685,045.08-25,785,326.38-10,424,615.84

Finding the Fourth Proportional to 18,685,045.08, 25,785,326.38 and 10,424,615.84

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Solution

The fourth proportional to 18,685,045.08, 25,785,326.38 and 10,424,615.84 is: 14,385,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685,045.08 : 25,785,326.38 = 10,424,615.84 : x
  2. Step 2: Convert to fraction form
    18,685,045.08/25,785,326.38 = 10,424,615.84/x
  3. Step 3: Cross multiply
    18,685,045.08x = 25,785,326.38 × 10,424,615.84
  4. Step 4: Simplify right side
    18,685,045.08x = 268,802,121,820,517.84
  5. Step 5: Solve for x
    x = 268,802,121,820,517.84/18,685,045.08
  6. Step 6: Final answer
    x = 14,385,949.87

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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.