Home / 10,921,025.80-16,381,538.70-6,669,497.80

Finding the Fourth Proportional to 10,921,025.80, 16,381,538.70 and 6,669,497.80

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Solution

The fourth proportional to 10,921,025.80, 16,381,538.70 and 6,669,497.80 is: 10,004,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,025.80 : 16,381,538.70 = 6,669,497.80 : x
  2. Step 2: Convert to fraction form
    10,921,025.80/16,381,538.70 = 6,669,497.80/x
  3. Step 3: Cross multiply
    10,921,025.80x = 16,381,538.70 × 6,669,497.80
  4. Step 4: Simplify right side
    10,921,025.80x = 109,256,636,320,264.86
  5. Step 5: Solve for x
    x = 109,256,636,320,264.86/10,921,025.80
  6. Step 6: Final answer
    x = 10,004,246.70

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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.