Home / 9,992,188.69-14,965,582.60-7,819,674.48

Finding the Fourth Proportional to 9,992,188.69, 14,965,582.60 and 7,819,674.48

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Solution

The fourth proportional to 9,992,188.69, 14,965,582.60 and 7,819,674.48 is: 11,711,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992,188.69 : 14,965,582.60 = 7,819,674.48 : x
  2. Step 2: Convert to fraction form
    9,992,188.69/14,965,582.60 = 7,819,674.48/x
  3. Step 3: Cross multiply
    9,992,188.69x = 14,965,582.60 × 7,819,674.48
  4. Step 4: Simplify right side
    9,992,188.69x = 117,025,984,345,326.66
  5. Step 5: Solve for x
    x = 117,025,984,345,326.66/9,992,188.69
  6. Step 6: Final answer
    x = 11,711,746.85

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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.