Home / 14,315,066.40-21,472,599.60-12,747,424.80

Finding the Fourth Proportional to 14,315,066.40, 21,472,599.60 and 12,747,424.80

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Solution

The fourth proportional to 14,315,066.40, 21,472,599.60 and 12,747,424.80 is: 19,121,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315,066.40 : 21,472,599.60 = 12,747,424.80 : x
  2. Step 2: Convert to fraction form
    14,315,066.40/21,472,599.60 = 12,747,424.80/x
  3. Step 3: Cross multiply
    14,315,066.40x = 21,472,599.60 × 12,747,424.80
  4. Step 4: Simplify right side
    14,315,066.40x = 273,720,348,661,510.12
  5. Step 5: Solve for x
    x = 273,720,348,661,510.12/14,315,066.40
  6. Step 6: Final answer
    x = 19,121,137.20

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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.