Home / 7,118,065.20-9,822,808.56-3,854,853.44

Finding the Fourth Proportional to 7,118,065.20, 9,822,808.56 and 3,854,853.44

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Solution

The fourth proportional to 7,118,065.20, 9,822,808.56 and 3,854,853.44 is: 5,319,631.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,065.20 : 9,822,808.56 = 3,854,853.44 : x
  2. Step 2: Convert to fraction form
    7,118,065.20/9,822,808.56 = 3,854,853.44/x
  3. Step 3: Cross multiply
    7,118,065.20x = 9,822,808.56 × 3,854,853.44
  4. Step 4: Simplify right side
    7,118,065.20x = 37,865,487,367,977.45
  5. Step 5: Solve for x
    x = 37,865,487,367,977.45/7,118,065.20
  6. Step 6: Final answer
    x = 5,319,631.99

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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.