Home / 19,821,705.64-29,729,130.34-5,248,834.80

Finding the Fourth Proportional to 19,821,705.64, 29,729,130.34 and 5,248,834.80

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Solution

The fourth proportional to 19,821,705.64, 29,729,130.34 and 5,248,834.80 is: 7,872,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821,705.64 : 29,729,130.34 = 5,248,834.80 : x
  2. Step 2: Convert to fraction form
    19,821,705.64/29,729,130.34 = 5,248,834.80/x
  3. Step 3: Cross multiply
    19,821,705.64x = 29,729,130.34 × 5,248,834.80
  4. Step 4: Simplify right side
    19,821,705.64x = 156,043,293,902,327.81
  5. Step 5: Solve for x
    x = 156,043,293,902,327.81/19,821,705.64
  6. Step 6: Final answer
    x = 7,872,344.43

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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.