Home / 12,947,999.60-19,401,004.20-8,147,097.20

Finding the Fourth Proportional to 12,947,999.60, 19,401,004.20 and 8,147,097.20

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Solution

The fourth proportional to 12,947,999.60, 19,401,004.20 and 8,147,097.20 is: 12,207,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,999.60 : 19,401,004.20 = 8,147,097.20 : x
  2. Step 2: Convert to fraction form
    12,947,999.60/19,401,004.20 = 8,147,097.20/x
  3. Step 3: Cross multiply
    12,947,999.60x = 19,401,004.20 × 8,147,097.20
  4. Step 4: Simplify right side
    12,947,999.60x = 158,061,866,995,008.25
  5. Step 5: Solve for x
    x = 158,061,866,995,008.25/12,947,999.60
  6. Step 6: Final answer
    x = 12,207,435.27

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1.5x scale

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.