Home / 25,198,189.87-34,700,294.83-21,888,973.34

Finding the Fourth Proportional to 25,198,189.87, 34,700,294.83 and 21,888,973.34

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Solution

The fourth proportional to 25,198,189.87, 34,700,294.83 and 21,888,973.34 is: 30,143,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,198,189.87 : 34,700,294.83 = 21,888,973.34 : x
  2. Step 2: Convert to fraction form
    25,198,189.87/34,700,294.83 = 21,888,973.34/x
  3. Step 3: Cross multiply
    25,198,189.87x = 34,700,294.83 × 21,888,973.34
  4. Step 4: Simplify right side
    25,198,189.87x = 759,553,828,424,009.75
  5. Step 5: Solve for x
    x = 759,553,828,424,009.75/25,198,189.87
  6. Step 6: Final answer
    x = 30,143,190.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.