Home / 19,192,830.40-28,719,261.60-14,153,982.40

Finding the Fourth Proportional to 19,192,830.40, 28,719,261.60 and 14,153,982.40

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Solution

The fourth proportional to 19,192,830.40, 28,719,261.60 and 14,153,982.40 is: 21,179,363.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192,830.40 : 28,719,261.60 = 14,153,982.40 : x
  2. Step 2: Convert to fraction form
    19,192,830.40/28,719,261.60 = 14,153,982.40/x
  3. Step 3: Cross multiply
    19,192,830.40x = 28,719,261.60 × 14,153,982.40
  4. Step 4: Simplify right side
    19,192,830.40x = 406,491,923,227,395.88
  5. Step 5: Solve for x
    x = 406,491,923,227,395.88/19,192,830.40
  6. Step 6: Final answer
    x = 21,179,363.06

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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.