Home / 13,824,005.60-20,736,008.40-7,021,560.80

Finding the Fourth Proportional to 13,824,005.60, 20,736,008.40 and 7,021,560.80

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Solution

The fourth proportional to 13,824,005.60, 20,736,008.40 and 7,021,560.80 is: 10,532,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,005.60 : 20,736,008.40 = 7,021,560.80 : x
  2. Step 2: Convert to fraction form
    13,824,005.60/20,736,008.40 = 7,021,560.80/x
  3. Step 3: Cross multiply
    13,824,005.60x = 20,736,008.40 × 7,021,560.80
  4. Step 4: Simplify right side
    13,824,005.60x = 145,599,143,729,910.72
  5. Step 5: Solve for x
    x = 145,599,143,729,910.72/13,824,005.60
  6. Step 6: Final answer
    x = 10,532,341.20

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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.