Home / 28,136,980.96-42,207,600.03-8,708,172.03

Finding the Fourth Proportional to 28,136,980.96, 42,207,600.03 and 8,708,172.03

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Solution

The fourth proportional to 28,136,980.96, 42,207,600.03 and 8,708,172.03 is: 13,062,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,980.96 : 42,207,600.03 = 8,708,172.03 : x
  2. Step 2: Convert to fraction form
    28,136,980.96/42,207,600.03 = 8,708,172.03/x
  3. Step 3: Cross multiply
    28,136,980.96x = 42,207,600.03 × 8,708,172.03
  4. Step 4: Simplify right side
    28,136,980.96x = 367,551,042,067,328.75
  5. Step 5: Solve for x
    x = 367,551,042,067,328.75/28,136,980.96
  6. Step 6: Final answer
    x = 13,062,916.83

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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.