Home / 12,645,563.60-17,451,300.29-7,749,839.90

Finding the Fourth Proportional to 12,645,563.60, 17,451,300.29 and 7,749,839.90

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Solution

The fourth proportional to 12,645,563.60, 17,451,300.29 and 7,749,839.90 is: 10,695,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645,563.60 : 17,451,300.29 = 7,749,839.90 : x
  2. Step 2: Convert to fraction form
    12,645,563.60/17,451,300.29 = 7,749,839.90/x
  3. Step 3: Cross multiply
    12,645,563.60x = 17,451,300.29 × 7,749,839.90
  4. Step 4: Simplify right side
    12,645,563.60x = 135,244,783,299,202.62
  5. Step 5: Solve for x
    x = 135,244,783,299,202.62/12,645,563.60
  6. Step 6: Final answer
    x = 10,695,038.00

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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.