Home / 14,144,422.40-21,166,867.20-12,950,028.80

Finding the Fourth Proportional to 14,144,422.40, 21,166,867.20 and 12,950,028.80

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Solution

The fourth proportional to 14,144,422.40, 21,166,867.20 and 12,950,028.80 is: 19,379,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144,422.40 : 21,166,867.20 = 12,950,028.80 : x
  2. Step 2: Convert to fraction form
    14,144,422.40/21,166,867.20 = 12,950,028.80/x
  3. Step 3: Cross multiply
    14,144,422.40x = 21,166,867.20 × 12,950,028.80
  4. Step 4: Simplify right side
    14,144,422.40x = 274,111,539,845,775.38
  5. Step 5: Solve for x
    x = 274,111,539,845,775.38/14,144,422.40
  6. Step 6: Final answer
    x = 19,379,479.21

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1.5x scale

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.