Home / 7,811,758.74-10,780,400.69-4,458,857.36

Finding the Fourth Proportional to 7,811,758.74, 10,780,400.69 and 4,458,857.36

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Solution

The fourth proportional to 7,811,758.74, 10,780,400.69 and 4,458,857.36 is: 6,153,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811,758.74 : 10,780,400.69 = 4,458,857.36 : x
  2. Step 2: Convert to fraction form
    7,811,758.74/10,780,400.69 = 4,458,857.36/x
  3. Step 3: Cross multiply
    7,811,758.74x = 10,780,400.69 × 4,458,857.36
  4. Step 4: Simplify right side
    7,811,758.74x = 48,068,268,960,355.58
  5. Step 5: Solve for x
    x = 48,068,268,960,355.58/7,811,758.74
  6. Step 6: Final answer
    x = 6,153,322.26

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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.