Home / 10,612,390.40-15,921,950.72-3,788,817.28

Finding the Fourth Proportional to 10,612,390.40, 15,921,950.72 and 3,788,817.28

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Solution

The fourth proportional to 10,612,390.40, 15,921,950.72 and 3,788,817.28 is: 5,684,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612,390.40 : 15,921,950.72 = 3,788,817.28 : x
  2. Step 2: Convert to fraction form
    10,612,390.40/15,921,950.72 = 3,788,817.28/x
  3. Step 3: Cross multiply
    10,612,390.40x = 15,921,950.72 × 3,788,817.28
  4. Step 4: Simplify right side
    10,612,390.40x = 60,325,362,019,244.44
  5. Step 5: Solve for x
    x = 60,325,362,019,244.44/10,612,390.40
  6. Step 6: Final answer
    x = 5,684,427.33

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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.