Home / 19,406,271.20-29,109,406.80-11,847,999.20

Finding the Fourth Proportional to 19,406,271.20, 29,109,406.80 and 11,847,999.20

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Solution

The fourth proportional to 19,406,271.20, 29,109,406.80 and 11,847,999.20 is: 17,771,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406,271.20 : 29,109,406.80 = 11,847,999.20 : x
  2. Step 2: Convert to fraction form
    19,406,271.20/29,109,406.80 = 11,847,999.20/x
  3. Step 3: Cross multiply
    19,406,271.20x = 29,109,406.80 × 11,847,999.20
  4. Step 4: Simplify right side
    19,406,271.20x = 344,888,228,478,874.56
  5. Step 5: Solve for x
    x = 344,888,228,478,874.56/19,406,271.20
  6. Step 6: Final answer
    x = 17,771,998.80

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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.