Home / 9,965,631.60-14,939,116.20-7,805,458.80

Finding the Fourth Proportional to 9,965,631.60, 14,939,116.20 and 7,805,458.80

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Solution

The fourth proportional to 9,965,631.60, 14,939,116.20 and 7,805,458.80 is: 11,700,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,631.60 : 14,939,116.20 = 7,805,458.80 : x
  2. Step 2: Convert to fraction form
    9,965,631.60/14,939,116.20 = 7,805,458.80/x
  3. Step 3: Cross multiply
    9,965,631.60x = 14,939,116.20 × 7,805,458.80
  4. Step 4: Simplify right side
    9,965,631.60x = 116,606,656,007,512.55
  5. Step 5: Solve for x
    x = 116,606,656,007,512.55/9,965,631.60
  6. Step 6: Final answer
    x = 11,700,879.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.