Home / 13,007,412.70-19,490,123.85-10,865,902.30

Finding the Fourth Proportional to 13,007,412.70, 19,490,123.85 and 10,865,902.30

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Solution

The fourth proportional to 13,007,412.70, 19,490,123.85 and 10,865,902.30 is: 16,281,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007,412.70 : 19,490,123.85 = 10,865,902.30 : x
  2. Step 2: Convert to fraction form
    13,007,412.70/19,490,123.85 = 10,865,902.30/x
  3. Step 3: Cross multiply
    13,007,412.70x = 19,490,123.85 × 10,865,902.30
  4. Step 4: Simplify right side
    13,007,412.70x = 211,777,781,568,999.88
  5. Step 5: Solve for x
    x = 211,777,781,568,999.88/13,007,412.70
  6. Step 6: Final answer
    x = 16,281,314.85

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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.