Home / 14,366,971.80-19,826,144.43-7,840,647.97

Finding the Fourth Proportional to 14,366,971.80, 19,826,144.43 and 7,840,647.97

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Solution

The fourth proportional to 14,366,971.80, 19,826,144.43 and 7,840,647.97 is: 10,819,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366,971.80 : 19,826,144.43 = 7,840,647.97 : x
  2. Step 2: Convert to fraction form
    14,366,971.80/19,826,144.43 = 7,840,647.97/x
  3. Step 3: Cross multiply
    14,366,971.80x = 19,826,144.43 × 7,840,647.97
  4. Step 4: Simplify right side
    14,366,971.80x = 155,449,818,996,124.69
  5. Step 5: Solve for x
    x = 155,449,818,996,124.69/14,366,971.80
  6. Step 6: Final answer
    x = 10,819,943.21

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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.