Home / 13,207,727.80-19,811,591.70-8,720,003.80

Finding the Fourth Proportional to 13,207,727.80, 19,811,591.70 and 8,720,003.80

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Solution

The fourth proportional to 13,207,727.80, 19,811,591.70 and 8,720,003.80 is: 13,080,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,727.80 : 19,811,591.70 = 8,720,003.80 : x
  2. Step 2: Convert to fraction form
    13,207,727.80/19,811,591.70 = 8,720,003.80/x
  3. Step 3: Cross multiply
    13,207,727.80x = 19,811,591.70 × 8,720,003.80
  4. Step 4: Simplify right side
    13,207,727.80x = 172,757,154,908,048.47
  5. Step 5: Solve for x
    x = 172,757,154,908,048.47/13,207,727.80
  6. Step 6: Final answer
    x = 13,080,005.70

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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.