Home / 21,362,553.60-32,043,830.40-15,651,859.20

Finding the Fourth Proportional to 21,362,553.60, 32,043,830.40 and 15,651,859.20

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Solution

The fourth proportional to 21,362,553.60, 32,043,830.40 and 15,651,859.20 is: 23,477,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,553.60 : 32,043,830.40 = 15,651,859.20 : x
  2. Step 2: Convert to fraction form
    21,362,553.60/32,043,830.40 = 15,651,859.20/x
  3. Step 3: Cross multiply
    21,362,553.60x = 32,043,830.40 × 15,651,859.20
  4. Step 4: Simplify right side
    21,362,553.60x = 501,545,521,649,479.62
  5. Step 5: Solve for x
    x = 501,545,521,649,479.62/21,362,553.60
  6. Step 6: Final answer
    x = 23,477,788.80

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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.