Home / 13,824,006.40-20,736,009.60-12,563,257.60

Finding the Fourth Proportional to 13,824,006.40, 20,736,009.60 and 12,563,257.60

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Solution

The fourth proportional to 13,824,006.40, 20,736,009.60 and 12,563,257.60 is: 18,844,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,006.40 : 20,736,009.60 = 12,563,257.60 : x
  2. Step 2: Convert to fraction form
    13,824,006.40/20,736,009.60 = 12,563,257.60/x
  3. Step 3: Cross multiply
    13,824,006.40x = 20,736,009.60 × 12,563,257.60
  4. Step 4: Simplify right side
    13,824,006.40x = 260,511,830,200,872.97
  5. Step 5: Solve for x
    x = 260,511,830,200,872.97/13,824,006.40
  6. Step 6: Final answer
    x = 18,844,886.40

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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.