Home / 12,115,250.45-16,740,818.07-9,209,596.79

Finding the Fourth Proportional to 12,115,250.45, 16,740,818.07 and 9,209,596.79

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Solution

The fourth proportional to 12,115,250.45, 16,740,818.07 and 9,209,596.79 is: 12,725,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,250.45 : 16,740,818.07 = 9,209,596.79 : x
  2. Step 2: Convert to fraction form
    12,115,250.45/16,740,818.07 = 9,209,596.79/x
  3. Step 3: Cross multiply
    12,115,250.45x = 16,740,818.07 × 9,209,596.79
  4. Step 4: Simplify right side
    12,115,250.45x = 154,176,184,275,741.91
  5. Step 5: Solve for x
    x = 154,176,184,275,741.91/12,115,250.45
  6. Step 6: Final answer
    x = 12,725,794.24

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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.