Home / 12,993,959.60-19,490,939.40-10,631,999.60

Finding the Fourth Proportional to 12,993,959.60, 19,490,939.40 and 10,631,999.60

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Solution

The fourth proportional to 12,993,959.60, 19,490,939.40 and 10,631,999.60 is: 15,947,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993,959.60 : 19,490,939.40 = 10,631,999.60 : x
  2. Step 2: Convert to fraction form
    12,993,959.60/19,490,939.40 = 10,631,999.60/x
  3. Step 3: Cross multiply
    12,993,959.60x = 19,490,939.40 × 10,631,999.60
  4. Step 4: Simplify right side
    12,993,959.60x = 207,227,659,904,424.22
  5. Step 5: Solve for x
    x = 207,227,659,904,424.22/12,993,959.60
  6. Step 6: Final answer
    x = 15,947,999.40

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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.