Home / 20,593,151.80-30,889,727.70-12,090,095.80

Finding the Fourth Proportional to 20,593,151.80, 30,889,727.70 and 12,090,095.80

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Solution

The fourth proportional to 20,593,151.80, 30,889,727.70 and 12,090,095.80 is: 18,135,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593,151.80 : 30,889,727.70 = 12,090,095.80 : x
  2. Step 2: Convert to fraction form
    20,593,151.80/30,889,727.70 = 12,090,095.80/x
  3. Step 3: Cross multiply
    20,593,151.80x = 30,889,727.70 × 12,090,095.80
  4. Step 4: Simplify right side
    20,593,151.80x = 373,459,767,128,913.69
  5. Step 5: Solve for x
    x = 373,459,767,128,913.69/20,593,151.80
  6. Step 6: Final answer
    x = 18,135,143.70

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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.