Home / 21,362,571.60-32,043,857.40-15,651,877.20

Finding the Fourth Proportional to 21,362,571.60, 32,043,857.40 and 15,651,877.20

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Solution

The fourth proportional to 21,362,571.60, 32,043,857.40 and 15,651,877.20 is: 23,477,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,571.60 : 32,043,857.40 = 15,651,877.20 : x
  2. Step 2: Convert to fraction form
    21,362,571.60/32,043,857.40 = 15,651,877.20/x
  3. Step 3: Cross multiply
    21,362,571.60x = 32,043,857.40 × 15,651,877.20
  4. Step 4: Simplify right side
    21,362,571.60x = 501,546,521,039,111.25
  5. Step 5: Solve for x
    x = 501,546,521,039,111.25/21,362,571.60
  6. Step 6: Final answer
    x = 23,477,815.80

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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.