Home / 10,907,876.16-15,080,078.88-8,186,898.24

Finding the Fourth Proportional to 10,907,876.16, 15,080,078.88 and 8,186,898.24

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Solution

The fourth proportional to 10,907,876.16, 15,080,078.88 and 8,186,898.24 is: 11,318,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907,876.16 : 15,080,078.88 = 8,186,898.24 : x
  2. Step 2: Convert to fraction form
    10,907,876.16/15,080,078.88 = 8,186,898.24/x
  3. Step 3: Cross multiply
    10,907,876.16x = 15,080,078.88 × 8,186,898.24
  4. Step 4: Simplify right side
    10,907,876.16x = 123,459,071,241,733.19
  5. Step 5: Solve for x
    x = 123,459,071,241,733.19/10,907,876.16
  6. Step 6: Final answer
    x = 11,318,341.85

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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.