Home / 16,890,201.68-23,307,853.86-9,155,077.96

Finding the Fourth Proportional to 16,890,201.68, 23,307,853.86 and 9,155,077.96

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Solution

The fourth proportional to 16,890,201.68, 23,307,853.86 and 9,155,077.96 is: 12,633,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890,201.68 : 23,307,853.86 = 9,155,077.96 : x
  2. Step 2: Convert to fraction form
    16,890,201.68/23,307,853.86 = 9,155,077.96/x
  3. Step 3: Cross multiply
    16,890,201.68x = 23,307,853.86 × 9,155,077.96
  4. Step 4: Simplify right side
    16,890,201.68x = 213,385,219,168,586.94
  5. Step 5: Solve for x
    x = 213,385,219,168,586.94/16,890,201.68
  6. Step 6: Final answer
    x = 12,633,669.11

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1.5x scale

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.