Home / 13,869,190.48-19,141,099.32-8,068,216.72

Finding the Fourth Proportional to 13,869,190.48, 19,141,099.32 and 8,068,216.72

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Solution

The fourth proportional to 13,869,190.48, 19,141,099.32 and 8,068,216.72 is: 11,135,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869,190.48 : 19,141,099.32 = 8,068,216.72 : x
  2. Step 2: Convert to fraction form
    13,869,190.48/19,141,099.32 = 8,068,216.72/x
  3. Step 3: Cross multiply
    13,869,190.48x = 19,141,099.32 × 8,068,216.72
  4. Step 4: Simplify right side
    13,869,190.48x = 154,434,537,572,804.62
  5. Step 5: Solve for x
    x = 154,434,537,572,804.62/13,869,190.48
  6. Step 6: Final answer
    x = 11,135,079.43

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1.5x scale

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.