Home / 19,230,647.70-28,845,971.55-5,767,475.70

Finding the Fourth Proportional to 19,230,647.70, 28,845,971.55 and 5,767,475.70

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Solution

The fourth proportional to 19,230,647.70, 28,845,971.55 and 5,767,475.70 is: 8,651,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230,647.70 : 28,845,971.55 = 5,767,475.70 : x
  2. Step 2: Convert to fraction form
    19,230,647.70/28,845,971.55 = 5,767,475.70/x
  3. Step 3: Cross multiply
    19,230,647.70x = 28,845,971.55 × 5,767,475.70
  4. Step 4: Simplify right side
    19,230,647.70x = 166,368,439,957,516.34
  5. Step 5: Solve for x
    x = 166,368,439,957,516.34/19,230,647.70
  6. Step 6: Final answer
    x = 8,651,213.55

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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.