Home / 9,689,807.72-13,371,766.27-5,279,569.60

Finding the Fourth Proportional to 9,689,807.72, 13,371,766.27 and 5,279,569.60

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Solution

The fourth proportional to 9,689,807.72, 13,371,766.27 and 5,279,569.60 is: 7,285,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689,807.72 : 13,371,766.27 = 5,279,569.60 : x
  2. Step 2: Convert to fraction form
    9,689,807.72/13,371,766.27 = 5,279,569.60/x
  3. Step 3: Cross multiply
    9,689,807.72x = 13,371,766.27 × 5,279,569.60
  4. Step 4: Simplify right side
    9,689,807.72x = 70,597,170,686,115.25
  5. Step 5: Solve for x
    x = 70,597,170,686,115.25/9,689,807.72
  6. Step 6: Final answer
    x = 7,285,714.30

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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.