Home / 9,239,916.78-12,751,562.70-5,320,254.42

Finding the Fourth Proportional to 9,239,916.78, 12,751,562.70 and 5,320,254.42

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Solution

The fourth proportional to 9,239,916.78, 12,751,562.70 and 5,320,254.42 is: 7,342,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239,916.78 : 12,751,562.70 = 5,320,254.42 : x
  2. Step 2: Convert to fraction form
    9,239,916.78/12,751,562.70 = 5,320,254.42/x
  3. Step 3: Cross multiply
    9,239,916.78x = 12,751,562.70 × 5,320,254.42
  4. Step 4: Simplify right side
    9,239,916.78x = 67,841,557,816,582.13
  5. Step 5: Solve for x
    x = 67,841,557,816,582.13/9,239,916.78
  6. Step 6: Final answer
    x = 7,342,226.06

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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.