Home / 28,601,998.40-42,919,586.40-10,652,916.80

Finding the Fourth Proportional to 28,601,998.40, 42,919,586.40 and 10,652,916.80

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Solution

The fourth proportional to 28,601,998.40, 42,919,586.40 and 10,652,916.80 is: 15,985,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601,998.40 : 42,919,586.40 = 10,652,916.80 : x
  2. Step 2: Convert to fraction form
    28,601,998.40/42,919,586.40 = 10,652,916.80/x
  3. Step 3: Cross multiply
    28,601,998.40x = 42,919,586.40 × 10,652,916.80
  4. Step 4: Simplify right side
    28,601,998.40x = 457,218,783,009,611.56
  5. Step 5: Solve for x
    x = 457,218,783,009,611.56/28,601,998.40
  6. Step 6: Final answer
    x = 15,985,553.76

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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.