Home / 19,135,217.29-28,702,940.10-4,758,285.08

Finding the Fourth Proportional to 19,135,217.29, 28,702,940.10 and 4,758,285.08

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Solution

The fourth proportional to 19,135,217.29, 28,702,940.10 and 4,758,285.08 is: 7,137,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135,217.29 : 28,702,940.10 = 4,758,285.08 : x
  2. Step 2: Convert to fraction form
    19,135,217.29/28,702,940.10 = 4,758,285.08/x
  3. Step 3: Cross multiply
    19,135,217.29x = 28,702,940.10 × 4,758,285.08
  4. Step 4: Simplify right side
    19,135,217.29x = 136,576,771,629,963.72
  5. Step 5: Solve for x
    x = 136,576,771,629,963.72/19,135,217.29
  6. Step 6: Final answer
    x = 7,137,456.01

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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.