Home / 19,192,868.40-28,719,318.60-14,154,020.40

Finding the Fourth Proportional to 19,192,868.40, 28,719,318.60 and 14,154,020.40

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Solution

The fourth proportional to 19,192,868.40, 28,719,318.60 and 14,154,020.40 is: 21,179,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192,868.40 : 28,719,318.60 = 14,154,020.40 : x
  2. Step 2: Convert to fraction form
    19,192,868.40/28,719,318.60 = 14,154,020.40/x
  3. Step 3: Cross multiply
    19,192,868.40x = 28,719,318.60 × 14,154,020.40
  4. Step 4: Simplify right side
    19,192,868.40x = 406,493,821,338,499.50
  5. Step 5: Solve for x
    x = 406,493,821,338,499.50/19,192,868.40
  6. Step 6: Final answer
    x = 21,179,420.03

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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.