Home / 8,078,602.28-11,148,081.85-4,407,300.43

Finding the Fourth Proportional to 8,078,602.28, 11,148,081.85 and 4,407,300.43

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Solution

The fourth proportional to 8,078,602.28, 11,148,081.85 and 4,407,300.43 is: 6,081,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,602.28 : 11,148,081.85 = 4,407,300.43 : x
  2. Step 2: Convert to fraction form
    8,078,602.28/11,148,081.85 = 4,407,300.43/x
  3. Step 3: Cross multiply
    8,078,602.28x = 11,148,081.85 × 4,407,300.43
  4. Step 4: Simplify right side
    8,078,602.28x = 49,132,945,931,180.19
  5. Step 5: Solve for x
    x = 49,132,945,931,180.19/8,078,602.28
  6. Step 6: Final answer
    x = 6,081,862.21

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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.