Home / 9,777,700.35-13,493,856.98-5,426,786.87

Finding the Fourth Proportional to 9,777,700.35, 13,493,856.98 and 5,426,786.87

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Solution

The fourth proportional to 9,777,700.35, 13,493,856.98 and 5,426,786.87 is: 7,489,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777,700.35 : 13,493,856.98 = 5,426,786.87 : x
  2. Step 2: Convert to fraction form
    9,777,700.35/13,493,856.98 = 5,426,786.87/x
  3. Step 3: Cross multiply
    9,777,700.35x = 13,493,856.98 × 5,426,786.87
  4. Step 4: Simplify right side
    9,777,700.35x = 73,228,285,850,895.83
  5. Step 5: Solve for x
    x = 73,228,285,850,895.83/9,777,700.35
  6. Step 6: Final answer
    x = 7,489,315.81

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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.