Home / 13,272,180.15-19,887,989.82-8,938,205.07

Finding the Fourth Proportional to 13,272,180.15, 19,887,989.82 and 8,938,205.07

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Solution

The fourth proportional to 13,272,180.15, 19,887,989.82 and 8,938,205.07 is: 13,393,649.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272,180.15 : 19,887,989.82 = 8,938,205.07 : x
  2. Step 2: Convert to fraction form
    13,272,180.15/19,887,989.82 = 8,938,205.07/x
  3. Step 3: Cross multiply
    13,272,180.15x = 19,887,989.82 × 8,938,205.07
  4. Step 4: Simplify right side
    13,272,180.15x = 177,762,931,441,232.41
  5. Step 5: Solve for x
    x = 177,762,931,441,232.41/13,272,180.15
  6. Step 6: Final answer
    x = 13,393,649.68

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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.