Home / 21,566,518.80-32,349,778.20-19,575,862.80

Finding the Fourth Proportional to 21,566,518.80, 32,349,778.20 and 19,575,862.80

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Solution

The fourth proportional to 21,566,518.80, 32,349,778.20 and 19,575,862.80 is: 29,363,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566,518.80 : 32,349,778.20 = 19,575,862.80 : x
  2. Step 2: Convert to fraction form
    21,566,518.80/32,349,778.20 = 19,575,862.80/x
  3. Step 3: Cross multiply
    21,566,518.80x = 32,349,778.20 × 19,575,862.80
  4. Step 4: Simplify right side
    21,566,518.80x = 633,274,819,653,631
  5. Step 5: Solve for x
    x = 633,274,819,653,631/21,566,518.80
  6. Step 6: Final answer
    x = 29,363,794.20

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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.