Home / 14,488,974.80-21,719,638.20-5,388,635.60

Finding the Fourth Proportional to 14,488,974.80, 21,719,638.20 and 5,388,635.60

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Solution

The fourth proportional to 14,488,974.80, 21,719,638.20 and 5,388,635.60 is: 8,077,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488,974.80 : 21,719,638.20 = 5,388,635.60 : x
  2. Step 2: Convert to fraction form
    14,488,974.80/21,719,638.20 = 5,388,635.60/x
  3. Step 3: Cross multiply
    14,488,974.80x = 21,719,638.20 × 5,388,635.60
  4. Step 4: Simplify right side
    14,488,974.80x = 117,039,215,623,639.91
  5. Step 5: Solve for x
    x = 117,039,215,623,639.91/14,488,974.80
  6. Step 6: Final answer
    x = 8,077,812.08

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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.