Home / 21,362,039.60-32,067,942.60-12,851,985.20

Finding the Fourth Proportional to 21,362,039.60, 32,067,942.60 and 12,851,985.20

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Solution

The fourth proportional to 21,362,039.60, 32,067,942.60 and 12,851,985.20 is: 19,292,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,039.60 : 32,067,942.60 = 12,851,985.20 : x
  2. Step 2: Convert to fraction form
    21,362,039.60/32,067,942.60 = 12,851,985.20/x
  3. Step 3: Cross multiply
    21,362,039.60x = 32,067,942.60 × 12,851,985.20
  4. Step 4: Simplify right side
    21,362,039.60x = 412,136,723,689,649.50
  5. Step 5: Solve for x
    x = 412,136,723,689,649.50/21,362,039.60
  6. Step 6: Final answer
    x = 19,292,948.21

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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.