Home / 8,215,434.51-11,336,426.85-4,543,767.69

Finding the Fourth Proportional to 8,215,434.51, 11,336,426.85 and 4,543,767.69

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Solution

The fourth proportional to 8,215,434.51, 11,336,426.85 and 4,543,767.69 is: 6,269,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,434.51 : 11,336,426.85 = 4,543,767.69 : x
  2. Step 2: Convert to fraction form
    8,215,434.51/11,336,426.85 = 4,543,767.69/x
  3. Step 3: Cross multiply
    8,215,434.51x = 11,336,426.85 × 4,543,767.69
  4. Step 4: Simplify right side
    8,215,434.51x = 51,510,090,041,078.48
  5. Step 5: Solve for x
    x = 51,510,090,041,078.48/8,215,434.51
  6. Step 6: Final answer
    x = 6,269,916.70

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Double scale
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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.