Home / 7,488,287.90-11,232,431.85-7,338,988.70

Finding the Fourth Proportional to 7,488,287.90, 11,232,431.85 and 7,338,988.70

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Solution

The fourth proportional to 7,488,287.90, 11,232,431.85 and 7,338,988.70 is: 11,008,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488,287.90 : 11,232,431.85 = 7,338,988.70 : x
  2. Step 2: Convert to fraction form
    7,488,287.90/11,232,431.85 = 7,338,988.70/x
  3. Step 3: Cross multiply
    7,488,287.90x = 11,232,431.85 × 7,338,988.70
  4. Step 4: Simplify right side
    7,488,287.90x = 82,434,690,420,670.09
  5. Step 5: Solve for x
    x = 82,434,690,420,670.09/7,488,287.90
  6. Step 6: Final answer
    x = 11,008,483.05

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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.