Home / 12,770,191.20-19,160,816.40-6,035,138.40

Finding the Fourth Proportional to 12,770,191.20, 19,160,816.40 and 6,035,138.40

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Solution

The fourth proportional to 12,770,191.20, 19,160,816.40 and 6,035,138.40 is: 9,055,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,191.20 : 19,160,816.40 = 6,035,138.40 : x
  2. Step 2: Convert to fraction form
    12,770,191.20/19,160,816.40 = 6,035,138.40/x
  3. Step 3: Cross multiply
    12,770,191.20x = 19,160,816.40 × 6,035,138.40
  4. Step 4: Simplify right side
    12,770,191.20x = 115,638,178,830,989.77
  5. Step 5: Solve for x
    x = 115,638,178,830,989.77/12,770,191.20
  6. Step 6: Final answer
    x = 9,055,320.87

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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.