Home / 21,504,311.60-32,256,467.40-21,006,647.60

Finding the Fourth Proportional to 21,504,311.60, 32,256,467.40 and 21,006,647.60

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Solution

The fourth proportional to 21,504,311.60, 32,256,467.40 and 21,006,647.60 is: 31,509,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,311.60 : 32,256,467.40 = 21,006,647.60 : x
  2. Step 2: Convert to fraction form
    21,504,311.60/32,256,467.40 = 21,006,647.60/x
  3. Step 3: Cross multiply
    21,504,311.60x = 32,256,467.40 × 21,006,647.60
  4. Step 4: Simplify right side
    21,504,311.60x = 677,600,243,492,688.25
  5. Step 5: Solve for x
    x = 677,600,243,492,688.25/21,504,311.60
  6. Step 6: Final answer
    x = 31,509,971.40

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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.