Home / 12,878,210.16-17,764,529.76-8,040,916.08

Finding the Fourth Proportional to 12,878,210.16, 17,764,529.76 and 8,040,916.08

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Solution

The fourth proportional to 12,878,210.16, 17,764,529.76 and 8,040,916.08 is: 11,091,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,878,210.16 : 17,764,529.76 = 8,040,916.08 : x
  2. Step 2: Convert to fraction form
    12,878,210.16/17,764,529.76 = 8,040,916.08/x
  3. Step 3: Cross multiply
    12,878,210.16x = 17,764,529.76 × 8,040,916.08
  4. Step 4: Simplify right side
    12,878,210.16x = 142,843,093,000,822.56
  5. Step 5: Solve for x
    x = 142,843,093,000,822.56/12,878,210.16
  6. Step 6: Final answer
    x = 11,091,843.60

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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.