Home / 21,831,205.40-32,746,808.10-15,448,664.60

Finding the Fourth Proportional to 21,831,205.40, 32,746,808.10 and 15,448,664.60

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Solution

The fourth proportional to 21,831,205.40, 32,746,808.10 and 15,448,664.60 is: 23,172,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831,205.40 : 32,746,808.10 = 15,448,664.60 : x
  2. Step 2: Convert to fraction form
    21,831,205.40/32,746,808.10 = 15,448,664.60/x
  3. Step 3: Cross multiply
    21,831,205.40x = 32,746,808.10 × 15,448,664.60
  4. Step 4: Simplify right side
    21,831,205.40x = 505,894,455,057,463.25
  5. Step 5: Solve for x
    x = 505,894,455,057,463.25/21,831,205.40
  6. Step 6: Final answer
    x = 23,172,996.90

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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.