Home / 12,505,847.70-18,730,777.95-7,466,999.70

Finding the Fourth Proportional to 12,505,847.70, 18,730,777.95 and 7,466,999.70

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Solution

The fourth proportional to 12,505,847.70, 18,730,777.95 and 7,466,999.70 is: 11,183,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505,847.70 : 18,730,777.95 = 7,466,999.70 : x
  2. Step 2: Convert to fraction form
    12,505,847.70/18,730,777.95 = 7,466,999.70/x
  3. Step 3: Cross multiply
    12,505,847.70x = 18,730,777.95 × 7,466,999.70
  4. Step 4: Simplify right side
    12,505,847.70x = 139,862,713,333,416.61
  5. Step 5: Solve for x
    x = 139,862,713,333,416.61/12,505,847.70
  6. Step 6: Final answer
    x = 11,183,785.11

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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.