Home / 35,507,766.78-48,997,927.35-21,754,861.02

Finding the Fourth Proportional to 35,507,766.78, 48,997,927.35 and 21,754,861.02

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Solution

The fourth proportional to 35,507,766.78, 48,997,927.35 and 21,754,861.02 is: 30,019,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,507,766.78 : 48,997,927.35 = 21,754,861.02 : x
  2. Step 2: Convert to fraction form
    35,507,766.78/48,997,927.35 = 21,754,861.02/x
  3. Step 3: Cross multiply
    35,507,766.78x = 48,997,927.35 × 21,754,861.02
  4. Step 4: Simplify right side
    35,507,766.78x = 1,065,943,099,767,306.88
  5. Step 5: Solve for x
    x = 1,065,943,099,767,306.88/35,507,766.78
  6. Step 6: Final answer
    x = 30,019,998.34

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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.