Home / 13,430,885.20-20,138,940.60-9,175,858

Finding the Fourth Proportional to 13,430,885.20, 20,138,940.60 and 9,175,858

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Solution

The fourth proportional to 13,430,885.20, 20,138,940.60 and 9,175,858 is: 13,758,740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430,885.20 : 20,138,940.60 = 9,175,858 : x
  2. Step 2: Convert to fraction form
    13,430,885.20/20,138,940.60 = 9,175,858/x
  3. Step 3: Cross multiply
    13,430,885.20x = 20,138,940.60 × 9,175,858
  4. Step 4: Simplify right side
    13,430,885.20x = 184,792,059,216,034.81
  5. Step 5: Solve for x
    x = 184,792,059,216,034.81/13,430,885.20
  6. Step 6: Final answer
    x = 13,758,740.13

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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.