Home / 11,112,309.90-16,668,464.85-9,907,710.30

Finding the Fourth Proportional to 11,112,309.90, 16,668,464.85 and 9,907,710.30

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Solution

The fourth proportional to 11,112,309.90, 16,668,464.85 and 9,907,710.30 is: 14,861,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112,309.90 : 16,668,464.85 = 9,907,710.30 : x
  2. Step 2: Convert to fraction form
    11,112,309.90/16,668,464.85 = 9,907,710.30/x
  3. Step 3: Cross multiply
    11,112,309.90x = 16,668,464.85 × 9,907,710.30
  4. Step 4: Simplify right side
    11,112,309.90x = 165,146,320,879,532.97
  5. Step 5: Solve for x
    x = 165,146,320,879,532.97/11,112,309.90
  6. Step 6: Final answer
    x = 14,861,565.45

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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.