Home / 22,202,635.98-30,637,947.15-13,499,600.70

Finding the Fourth Proportional to 22,202,635.98, 30,637,947.15 and 13,499,600.70

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Solution

The fourth proportional to 22,202,635.98, 30,637,947.15 and 13,499,600.70 is: 18,628,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,202,635.98 : 30,637,947.15 = 13,499,600.70 : x
  2. Step 2: Convert to fraction form
    22,202,635.98/30,637,947.15 = 13,499,600.70/x
  3. Step 3: Cross multiply
    22,202,635.98x = 30,637,947.15 × 13,499,600.70
  4. Step 4: Simplify right side
    22,202,635.98x = 413,600,052,792,702.94
  5. Step 5: Solve for x
    x = 413,600,052,792,702.94/22,202,635.98
  6. Step 6: Final answer
    x = 18,628,421.11

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1.5x scale

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.