Home / 8,780,900.70-13,171,351.18-5,788,384.86

Finding the Fourth Proportional to 8,780,900.70, 13,171,351.18 and 5,788,384.86

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Solution

The fourth proportional to 8,780,900.70, 13,171,351.18 and 5,788,384.86 is: 8,682,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,900.70 : 13,171,351.18 = 5,788,384.86 : x
  2. Step 2: Convert to fraction form
    8,780,900.70/13,171,351.18 = 5,788,384.86/x
  3. Step 3: Cross multiply
    8,780,900.70x = 13,171,351.18 × 5,788,384.86
  4. Step 4: Simplify right side
    8,780,900.70x = 76,240,849,756,055.14
  5. Step 5: Solve for x
    x = 76,240,849,756,055.14/8,780,900.70
  6. Step 6: Final answer
    x = 8,682,577.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.