Home / 21,531,255.40-32,303,103.90-6,385,551.40

Finding the Fourth Proportional to 21,531,255.40, 32,303,103.90 and 6,385,551.40

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Solution

The fourth proportional to 21,531,255.40, 32,303,103.90 and 6,385,551.40 is: 9,580,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,531,255.40 : 32,303,103.90 = 6,385,551.40 : x
  2. Step 2: Convert to fraction form
    21,531,255.40/32,303,103.90 = 6,385,551.40/x
  3. Step 3: Cross multiply
    21,531,255.40x = 32,303,103.90 × 6,385,551.40
  4. Step 4: Simplify right side
    21,531,255.40x = 206,273,130,332,990.47
  5. Step 5: Solve for x
    x = 206,273,130,332,990.47/21,531,255.40
  6. Step 6: Final answer
    x = 9,580,172.01

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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.