Home / 19,586,404.80-29,389,262.40-8,811,331.20

Finding the Fourth Proportional to 19,586,404.80, 29,389,262.40 and 8,811,331.20

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Solution

The fourth proportional to 19,586,404.80, 29,389,262.40 and 8,811,331.20 is: 13,221,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586,404.80 : 29,389,262.40 = 8,811,331.20 : x
  2. Step 2: Convert to fraction form
    19,586,404.80/29,389,262.40 = 8,811,331.20/x
  3. Step 3: Cross multiply
    19,586,404.80x = 29,389,262.40 × 8,811,331.20
  4. Step 4: Simplify right side
    19,586,404.80x = 258,958,524,730,106.84
  5. Step 5: Solve for x
    x = 258,958,524,730,106.84/19,586,404.80
  6. Step 6: Final answer
    x = 13,221,340.38

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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.