Home / 8,980,365.96-12,389,235.12-6,631,192.80

Finding the Fourth Proportional to 8,980,365.96, 12,389,235.12 and 6,631,192.80

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Solution

The fourth proportional to 8,980,365.96, 12,389,235.12 and 6,631,192.80 is: 9,148,336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980,365.96 : 12,389,235.12 = 6,631,192.80 : x
  2. Step 2: Convert to fraction form
    8,980,365.96/12,389,235.12 = 6,631,192.80/x
  3. Step 3: Cross multiply
    8,980,365.96x = 12,389,235.12 × 6,631,192.80
  4. Step 4: Simplify right side
    8,980,365.96x = 82,155,406,725,251.12
  5. Step 5: Solve for x
    x = 82,155,406,725,251.12/8,980,365.96
  6. Step 6: Final answer
    x = 9,148,336.17

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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.