Home / 20,506,983.36-30,736,323.36-8,368,872

Finding the Fourth Proportional to 20,506,983.36, 30,736,323.36 and 8,368,872

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Solution

The fourth proportional to 20,506,983.36, 30,736,323.36 and 8,368,872 is: 12,543,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506,983.36 : 30,736,323.36 = 8,368,872 : x
  2. Step 2: Convert to fraction form
    20,506,983.36/30,736,323.36 = 8,368,872/x
  3. Step 3: Cross multiply
    20,506,983.36x = 30,736,323.36 × 8,368,872
  4. Step 4: Simplify right side
    20,506,983.36x = 257,228,355,950,449.91
  5. Step 5: Solve for x
    x = 257,228,355,950,449.91/20,506,983.36
  6. Step 6: Final answer
    x = 12,543,451.73

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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.