Home / 21,409,573.40-32,105,028.90-8,625,829.40

Finding the Fourth Proportional to 21,409,573.40, 32,105,028.90 and 8,625,829.40

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Solution

The fourth proportional to 21,409,573.40, 32,105,028.90 and 8,625,829.40 is: 12,934,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,573.40 : 32,105,028.90 = 8,625,829.40 : x
  2. Step 2: Convert to fraction form
    21,409,573.40/32,105,028.90 = 8,625,829.40/x
  3. Step 3: Cross multiply
    21,409,573.40x = 32,105,028.90 × 8,625,829.40
  4. Step 4: Simplify right side
    21,409,573.40x = 276,932,502,173,469.66
  5. Step 5: Solve for x
    x = 276,932,502,173,469.66/21,409,573.40
  6. Step 6: Final answer
    x = 12,934,984.60

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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.