Home / 13,122,003.70-19,683,005.55-11,846,545.30

Finding the Fourth Proportional to 13,122,003.70, 19,683,005.55 and 11,846,545.30

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Solution

The fourth proportional to 13,122,003.70, 19,683,005.55 and 11,846,545.30 is: 17,769,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,003.70 : 19,683,005.55 = 11,846,545.30 : x
  2. Step 2: Convert to fraction form
    13,122,003.70/19,683,005.55 = 11,846,545.30/x
  3. Step 3: Cross multiply
    13,122,003.70x = 19,683,005.55 × 11,846,545.30
  4. Step 4: Simplify right side
    13,122,003.70x = 233,175,616,888,226.44
  5. Step 5: Solve for x
    x = 233,175,616,888,226.44/13,122,003.70
  6. Step 6: Final answer
    x = 17,769,817.95

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1.5x scale

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.