Home / 18,719,304.85-28,084,206.08-7,941,768.85

Finding the Fourth Proportional to 18,719,304.85, 28,084,206.08 and 7,941,768.85

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Solution

The fourth proportional to 18,719,304.85, 28,084,206.08 and 7,941,768.85 is: 11,914,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,304.85 : 28,084,206.08 = 7,941,768.85 : x
  2. Step 2: Convert to fraction form
    18,719,304.85/28,084,206.08 = 7,941,768.85/x
  3. Step 3: Cross multiply
    18,719,304.85x = 28,084,206.08 × 7,941,768.85
  4. Step 4: Simplify right side
    18,719,304.85x = 223,038,272,983,415.75
  5. Step 5: Solve for x
    x = 223,038,272,983,415.75/18,719,304.85
  6. Step 6: Final answer
    x = 11,914,880.11

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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.