Home / 7,706,670.89-10,625,123.97-6,630,502.86

Finding the Fourth Proportional to 7,706,670.89, 10,625,123.97 and 6,630,502.86

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Solution

The fourth proportional to 7,706,670.89, 10,625,123.97 and 6,630,502.86 is: 9,141,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706,670.89 : 10,625,123.97 = 6,630,502.86 : x
  2. Step 2: Convert to fraction form
    7,706,670.89/10,625,123.97 = 6,630,502.86/x
  3. Step 3: Cross multiply
    7,706,670.89x = 10,625,123.97 × 6,630,502.86
  4. Step 4: Simplify right side
    7,706,670.89x = 70,449,914,870,939.56
  5. Step 5: Solve for x
    x = 70,449,914,870,939.56/7,706,670.89
  6. Step 6: Final answer
    x = 9,141,419.94

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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.