Home / 45,813,628.66-68,628,432.82-21,187,036.76

Finding the Fourth Proportional to 45,813,628.66, 68,628,432.82 and 21,187,036.76

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Solution

The fourth proportional to 45,813,628.66, 68,628,432.82 and 21,187,036.76 is: 31,738,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,813,628.66 : 68,628,432.82 = 21,187,036.76 : x
  2. Step 2: Convert to fraction form
    45,813,628.66/68,628,432.82 = 21,187,036.76/x
  3. Step 3: Cross multiply
    45,813,628.66x = 68,628,432.82 × 21,187,036.76
  4. Step 4: Simplify right side
    45,813,628.66x = 1,454,033,128,938,530.50
  5. Step 5: Solve for x
    x = 1,454,033,128,938,530.50/45,813,628.66
  6. Step 6: Final answer
    x = 31,738,003.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.