Home / 8,709,219.89-12,018,042.62-4,841,505.53

Finding the Fourth Proportional to 8,709,219.89, 12,018,042.62 and 4,841,505.53

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Solution

The fourth proportional to 8,709,219.89, 12,018,042.62 and 4,841,505.53 is: 6,680,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709,219.89 : 12,018,042.62 = 4,841,505.53 : x
  2. Step 2: Convert to fraction form
    8,709,219.89/12,018,042.62 = 4,841,505.53/x
  3. Step 3: Cross multiply
    8,709,219.89x = 12,018,042.62 × 4,841,505.53
  4. Step 4: Simplify right side
    8,709,219.89x = 58,185,419,738,363.60
  5. Step 5: Solve for x
    x = 58,185,419,738,363.60/8,709,219.89
  6. Step 6: Final answer
    x = 6,680,899.15

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1.5x scale

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.