Home / 8,861,178.69-12,222,356.36-5,425,117.38

Finding the Fourth Proportional to 8,861,178.69, 12,222,356.36 and 5,425,117.38

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Solution

The fourth proportional to 8,861,178.69, 12,222,356.36 and 5,425,117.38 is: 7,482,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861,178.69 : 12,222,356.36 = 5,425,117.38 : x
  2. Step 2: Convert to fraction form
    8,861,178.69/12,222,356.36 = 5,425,117.38/x
  3. Step 3: Cross multiply
    8,861,178.69x = 12,222,356.36 × 5,425,117.38
  4. Step 4: Simplify right side
    8,861,178.69x = 66,307,717,886,063.95
  5. Step 5: Solve for x
    x = 66,307,717,886,063.95/8,861,178.69
  6. Step 6: Final answer
    x = 7,482,945.58

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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.