Home / 6,666,818.67-10,000,155.08-1,618,129.17

Finding the Fourth Proportional to 6,666,818.67, 10,000,155.08 and 1,618,129.17

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Solution

The fourth proportional to 6,666,818.67, 10,000,155.08 and 1,618,129.17 is: 2,427,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666,818.67 : 10,000,155.08 = 1,618,129.17 : x
  2. Step 2: Convert to fraction form
    6,666,818.67/10,000,155.08 = 1,618,129.17/x
  3. Step 3: Cross multiply
    6,666,818.67x = 10,000,155.08 × 1,618,129.17
  4. Step 4: Simplify right side
    6,666,818.67x = 16,181,542,643,517.01
  5. Step 5: Solve for x
    x = 16,181,542,643,517.01/6,666,818.67
  6. Step 6: Final answer
    x = 2,427,176.06

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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.