Home / 10,778,013.20-16,171,296.60-4,388,733.20

Finding the Fourth Proportional to 10,778,013.20, 16,171,296.60 and 4,388,733.20

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Solution

The fourth proportional to 10,778,013.20, 16,171,296.60 and 4,388,733.20 is: 6,584,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,013.20 : 16,171,296.60 = 4,388,733.20 : x
  2. Step 2: Convert to fraction form
    10,778,013.20/16,171,296.60 = 4,388,733.20/x
  3. Step 3: Cross multiply
    10,778,013.20x = 16,171,296.60 × 4,388,733.20
  4. Step 4: Simplify right side
    10,778,013.20x = 70,971,506,275,467.12
  5. Step 5: Solve for x
    x = 70,971,506,275,467.12/10,778,013.20
  6. Step 6: Final answer
    x = 6,584,841.28

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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.