Home / 19,405,180.80-29,103,688.80-9,811,540.80

Finding the Fourth Proportional to 19,405,180.80, 29,103,688.80 and 9,811,540.80

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Solution

The fourth proportional to 19,405,180.80, 29,103,688.80 and 9,811,540.80 is: 14,715,247.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405,180.80 : 29,103,688.80 = 9,811,540.80 : x
  2. Step 2: Convert to fraction form
    19,405,180.80/29,103,688.80 = 9,811,540.80/x
  3. Step 3: Cross multiply
    19,405,180.80x = 29,103,688.80 × 9,811,540.80
  4. Step 4: Simplify right side
    19,405,180.80x = 285,552,030,091,703.06
  5. Step 5: Solve for x
    x = 285,552,030,091,703.06/19,405,180.80
  6. Step 6: Final answer
    x = 14,715,247.08

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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.