Home / 13,203,902.40-19,805,853.60-12,070,161.60

Finding the Fourth Proportional to 13,203,902.40, 19,805,853.60 and 12,070,161.60

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Solution

The fourth proportional to 13,203,902.40, 19,805,853.60 and 12,070,161.60 is: 18,105,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,902.40 : 19,805,853.60 = 12,070,161.60 : x
  2. Step 2: Convert to fraction form
    13,203,902.40/19,805,853.60 = 12,070,161.60/x
  3. Step 3: Cross multiply
    13,203,902.40x = 19,805,853.60 × 12,070,161.60
  4. Step 4: Simplify right side
    13,203,902.40x = 239,059,853,577,941.78
  5. Step 5: Solve for x
    x = 239,059,853,577,941.78/13,203,902.40
  6. Step 6: Final answer
    x = 18,105,242.40

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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.