Home / 30,843,560.40-42,564,363.72-17,092,750.80

Finding the Fourth Proportional to 30,843,560.40, 42,564,363.72 and 17,092,750.80

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Solution

The fourth proportional to 30,843,560.40, 42,564,363.72 and 17,092,750.80 is: 23,588,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,843,560.40 : 42,564,363.72 = 17,092,750.80 : x
  2. Step 2: Convert to fraction form
    30,843,560.40/42,564,363.72 = 17,092,750.80/x
  3. Step 3: Cross multiply
    30,843,560.40x = 42,564,363.72 × 17,092,750.80
  4. Step 4: Simplify right side
    30,843,560.40x = 727,542,062,026,521
  5. Step 5: Solve for x
    x = 727,542,062,026,521/30,843,560.40
  6. Step 6: Final answer
    x = 23,588,134.85

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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.