Home / 12,176,719.96-16,797,502.62-7,529,019.34

Finding the Fourth Proportional to 12,176,719.96, 16,797,502.62 and 7,529,019.34

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Solution

The fourth proportional to 12,176,719.96, 16,797,502.62 and 7,529,019.34 is: 10,386,107.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176,719.96 : 16,797,502.62 = 7,529,019.34 : x
  2. Step 2: Convert to fraction form
    12,176,719.96/16,797,502.62 = 7,529,019.34/x
  3. Step 3: Cross multiply
    12,176,719.96x = 16,797,502.62 × 7,529,019.34
  4. Step 4: Simplify right side
    12,176,719.96x = 126,468,722,089,680.67
  5. Step 5: Solve for x
    x = 126,468,722,089,680.67/12,176,719.96
  6. Step 6: Final answer
    x = 10,386,107.47

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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.