Home / 7,345,809.40-11,018,714.10-5,319,772.60

Finding the Fourth Proportional to 7,345,809.40, 11,018,714.10 and 5,319,772.60

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Solution

The fourth proportional to 7,345,809.40, 11,018,714.10 and 5,319,772.60 is: 7,979,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345,809.40 : 11,018,714.10 = 5,319,772.60 : x
  2. Step 2: Convert to fraction form
    7,345,809.40/11,018,714.10 = 5,319,772.60/x
  3. Step 3: Cross multiply
    7,345,809.40x = 11,018,714.10 × 5,319,772.60
  4. Step 4: Simplify right side
    7,345,809.40x = 58,617,053,356,413.66
  5. Step 5: Solve for x
    x = 58,617,053,356,413.66/7,345,809.40
  6. Step 6: Final answer
    x = 7,979,658.90

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Similar ratio
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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.