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Finding the Fourth Proportional to 9,216,005.10, 13,824,007.65 and 8,693,457.90

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Solution

The fourth proportional to 9,216,005.10, 13,824,007.65 and 8,693,457.90 is: 13,040,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216,005.10 : 13,824,007.65 = 8,693,457.90 : x
  2. Step 2: Convert to fraction form
    9,216,005.10/13,824,007.65 = 8,693,457.90/x
  3. Step 3: Cross multiply
    9,216,005.10x = 13,824,007.65 × 8,693,457.90
  4. Step 4: Simplify right side
    9,216,005.10x = 120,178,428,514,552.94
  5. Step 5: Solve for x
    x = 120,178,428,514,552.94/9,216,005.10
  6. Step 6: Final answer
    x = 13,040,186.85

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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.