Home / 7,208,829.12-10,816,971.24-3,168,152.16

Finding the Fourth Proportional to 7,208,829.12, 10,816,971.24 and 3,168,152.16

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Solution

The fourth proportional to 7,208,829.12, 10,816,971.24 and 3,168,152.16 is: 4,753,866.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,829.12 : 10,816,971.24 = 3,168,152.16 : x
  2. Step 2: Convert to fraction form
    7,208,829.12/10,816,971.24 = 3,168,152.16/x
  3. Step 3: Cross multiply
    7,208,829.12x = 10,816,971.24 × 3,168,152.16
  4. Step 4: Simplify right side
    7,208,829.12x = 34,269,810,798,663.88
  5. Step 5: Solve for x
    x = 34,269,810,798,663.88/7,208,829.12
  6. Step 6: Final answer
    x = 4,753,866.44

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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.