Home / 13,276,037.70-19,914,056.55-12,716,165.70

Finding the Fourth Proportional to 13,276,037.70, 19,914,056.55 and 12,716,165.70

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Solution

The fourth proportional to 13,276,037.70, 19,914,056.55 and 12,716,165.70 is: 19,074,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276,037.70 : 19,914,056.55 = 12,716,165.70 : x
  2. Step 2: Convert to fraction form
    13,276,037.70/19,914,056.55 = 12,716,165.70/x
  3. Step 3: Cross multiply
    13,276,037.70x = 19,914,056.55 × 12,716,165.70
  4. Step 4: Simplify right side
    13,276,037.70x = 253,230,442,848,970.34
  5. Step 5: Solve for x
    x = 253,230,442,848,970.34/13,276,037.70
  6. Step 6: Final answer
    x = 19,074,248.55

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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.