Home / 31,430,557.62-43,371,824.75-17,676,864.54

Finding the Fourth Proportional to 31,430,557.62, 43,371,824.75 and 17,676,864.54

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Solution

The fourth proportional to 31,430,557.62, 43,371,824.75 and 17,676,864.54 is: 24,392,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430,557.62 : 43,371,824.75 = 17,676,864.54 : x
  2. Step 2: Convert to fraction form
    31,430,557.62/43,371,824.75 = 17,676,864.54/x
  3. Step 3: Cross multiply
    31,430,557.62x = 43,371,824.75 × 17,676,864.54
  4. Step 4: Simplify right side
    31,430,557.62x = 766,677,870,958,369.38
  5. Step 5: Solve for x
    x = 766,677,870,958,369.38/31,430,557.62
  6. Step 6: Final answer
    x = 24,392,754.35

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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.