Home / 30,802,434.51-42,509,720.45-17,571,902.73

Finding the Fourth Proportional to 30,802,434.51, 42,509,720.45 and 17,571,902.73

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Solution

The fourth proportional to 30,802,434.51, 42,509,720.45 and 17,571,902.73 is: 24,250,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,434.51 : 42,509,720.45 = 17,571,902.73 : x
  2. Step 2: Convert to fraction form
    30,802,434.51/42,509,720.45 = 17,571,902.73/x
  3. Step 3: Cross multiply
    30,802,434.51x = 42,509,720.45 × 17,571,902.73
  4. Step 4: Simplify right side
    30,802,434.51x = 746,976,672,739,032.38
  5. Step 5: Solve for x
    x = 746,976,672,739,032.38/30,802,434.51
  6. Step 6: Final answer
    x = 24,250,572.55

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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.