Home / 12,950,190.03-17,870,793.84-7,148,847.21

Finding the Fourth Proportional to 12,950,190.03, 17,870,793.84 and 7,148,847.21

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Solution

The fourth proportional to 12,950,190.03, 17,870,793.84 and 7,148,847.21 is: 9,865,150.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,190.03 : 17,870,793.84 = 7,148,847.21 : x
  2. Step 2: Convert to fraction form
    12,950,190.03/17,870,793.84 = 7,148,847.21/x
  3. Step 3: Cross multiply
    12,950,190.03x = 17,870,793.84 × 7,148,847.21
  4. Step 4: Simplify right side
    12,950,190.03x = 127,755,574,683,569.19
  5. Step 5: Solve for x
    x = 127,755,574,683,569.19/12,950,190.03
  6. Step 6: Final answer
    x = 9,865,150.58

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Double scale
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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.