Home / 19,675,439.18-27,152,142.30-10,974,172.64

Finding the Fourth Proportional to 19,675,439.18, 27,152,142.30 and 10,974,172.64

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Solution

The fourth proportional to 19,675,439.18, 27,152,142.30 and 10,974,172.64 is: 15,144,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675,439.18 : 27,152,142.30 = 10,974,172.64 : x
  2. Step 2: Convert to fraction form
    19,675,439.18/27,152,142.30 = 10,974,172.64/x
  3. Step 3: Cross multiply
    19,675,439.18x = 27,152,142.30 × 10,974,172.64
  4. Step 4: Simplify right side
    19,675,439.18x = 297,972,297,146,046.69
  5. Step 5: Solve for x
    x = 297,972,297,146,046.69/19,675,439.18
  6. Step 6: Final answer
    x = 15,144,378.45

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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.