Home / 12,456,010.60-18,684,015.90-9,936,586.60

Finding the Fourth Proportional to 12,456,010.60, 18,684,015.90 and 9,936,586.60

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Solution

The fourth proportional to 12,456,010.60, 18,684,015.90 and 9,936,586.60 is: 14,904,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,010.60 : 18,684,015.90 = 9,936,586.60 : x
  2. Step 2: Convert to fraction form
    12,456,010.60/18,684,015.90 = 9,936,586.60/x
  3. Step 3: Cross multiply
    12,456,010.60x = 18,684,015.90 × 9,936,586.60
  4. Step 4: Simplify right side
    12,456,010.60x = 185,655,342,026,126.91
  5. Step 5: Solve for x
    x = 185,655,342,026,126.91/12,456,010.60
  6. Step 6: Final answer
    x = 14,904,879.90

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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.