Home / 15,990,421.80-23,950,203.30-13,156,069.80

Finding the Fourth Proportional to 15,990,421.80, 23,950,203.30 and 13,156,069.80

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Solution

The fourth proportional to 15,990,421.80, 23,950,203.30 and 13,156,069.80 is: 19,704,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,421.80 : 23,950,203.30 = 13,156,069.80 : x
  2. Step 2: Convert to fraction form
    15,990,421.80/23,950,203.30 = 13,156,069.80/x
  3. Step 3: Cross multiply
    15,990,421.80x = 23,950,203.30 × 13,156,069.80
  4. Step 4: Simplify right side
    15,990,421.80x = 315,090,546,338,990.38
  5. Step 5: Solve for x
    x = 315,090,546,338,990.38/15,990,421.80
  6. Step 6: Final answer
    x = 19,704,955.27

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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.