Home / 52,702,786.56-78,939,045.20-21,903,987.26

Finding the Fourth Proportional to 52,702,786.56, 78,939,045.20 and 21,903,987.26

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Solution

The fourth proportional to 52,702,786.56, 78,939,045.20 and 21,903,987.26 is: 32,808,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,702,786.56 : 78,939,045.20 = 21,903,987.26 : x
  2. Step 2: Convert to fraction form
    52,702,786.56/78,939,045.20 = 21,903,987.26/x
  3. Step 3: Cross multiply
    52,702,786.56x = 78,939,045.20 × 21,903,987.26
  4. Step 4: Simplify right side
    52,702,786.56x = 1,729,079,840,377,364.25
  5. Step 5: Solve for x
    x = 1,729,079,840,377,364.25/52,702,786.56
  6. Step 6: Final answer
    x = 32,808,129.38

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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.