Home / 18,773,219.16-28,164,222.56-5,818,692.78

Finding the Fourth Proportional to 18,773,219.16, 28,164,222.56 and 5,818,692.78

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Solution

The fourth proportional to 18,773,219.16, 28,164,222.56 and 5,818,692.78 is: 8,729,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773,219.16 : 28,164,222.56 = 5,818,692.78 : x
  2. Step 2: Convert to fraction form
    18,773,219.16/28,164,222.56 = 5,818,692.78/x
  3. Step 3: Cross multiply
    18,773,219.16x = 28,164,222.56 × 5,818,692.78
  4. Step 4: Simplify right side
    18,773,219.16x = 163,878,958,478,731.84
  5. Step 5: Solve for x
    x = 163,878,958,478,731.84/18,773,219.16
  6. Step 6: Final answer
    x = 8,729,401.02

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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.