Home / 14,562,905.10-20,097,291.74-7,947,855.78

Finding the Fourth Proportional to 14,562,905.10, 20,097,291.74 and 7,947,855.78

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Solution

The fourth proportional to 14,562,905.10, 20,097,291.74 and 7,947,855.78 is: 10,968,304.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562,905.10 : 20,097,291.74 = 7,947,855.78 : x
  2. Step 2: Convert to fraction form
    14,562,905.10/20,097,291.74 = 7,947,855.78/x
  3. Step 3: Cross multiply
    14,562,905.10x = 20,097,291.74 × 7,947,855.78
  4. Step 4: Simplify right side
    14,562,905.10x = 159,730,376,278,365.97
  5. Step 5: Solve for x
    x = 159,730,376,278,365.97/14,562,905.10
  6. Step 6: Final answer
    x = 10,968,304.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.