Home / 34,778,840.70-52,168,261.05-20,418,123.90

Finding the Fourth Proportional to 34,778,840.70, 52,168,261.05 and 20,418,123.90

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Solution

The fourth proportional to 34,778,840.70, 52,168,261.05 and 20,418,123.90 is: 30,627,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778,840.70 : 52,168,261.05 = 20,418,123.90 : x
  2. Step 2: Convert to fraction form
    34,778,840.70/52,168,261.05 = 20,418,123.90/x
  3. Step 3: Cross multiply
    34,778,840.70x = 52,168,261.05 × 20,418,123.90
  4. Step 4: Simplify right side
    34,778,840.70x = 1,065,178,017,766,444
  5. Step 5: Solve for x
    x = 1,065,178,017,766,444/34,778,840.70
  6. Step 6: Final answer
    x = 30,627,185.85

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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.