Home / 19,996,936.80-29,995,405.20-10,430,998.80

Finding the Fourth Proportional to 19,996,936.80, 29,995,405.20 and 10,430,998.80

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Solution

The fourth proportional to 19,996,936.80, 29,995,405.20 and 10,430,998.80 is: 15,646,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996,936.80 : 29,995,405.20 = 10,430,998.80 : x
  2. Step 2: Convert to fraction form
    19,996,936.80/29,995,405.20 = 10,430,998.80/x
  3. Step 3: Cross multiply
    19,996,936.80x = 29,995,405.20 × 10,430,998.80
  4. Step 4: Simplify right side
    19,996,936.80x = 312,882,035,646,713.75
  5. Step 5: Solve for x
    x = 312,882,035,646,713.75/19,996,936.80
  6. Step 6: Final answer
    x = 15,646,498.20

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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.