Home / 7,042,209.60-10,563,314.40-6,992,443.20

Finding the Fourth Proportional to 7,042,209.60, 10,563,314.40 and 6,992,443.20

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Solution

The fourth proportional to 7,042,209.60, 10,563,314.40 and 6,992,443.20 is: 10,488,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042,209.60 : 10,563,314.40 = 6,992,443.20 : x
  2. Step 2: Convert to fraction form
    7,042,209.60/10,563,314.40 = 6,992,443.20/x
  3. Step 3: Cross multiply
    7,042,209.60x = 10,563,314.40 × 6,992,443.20
  4. Step 4: Simplify right side
    7,042,209.60x = 73,863,375,945,742.08
  5. Step 5: Solve for x
    x = 73,863,375,945,742.08/7,042,209.60
  6. Step 6: Final answer
    x = 10,488,664.80

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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.