Home / 28,129,762.26-42,201,006.75-8,961,611.22

Finding the Fourth Proportional to 28,129,762.26, 42,201,006.75 and 8,961,611.22

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Solution

The fourth proportional to 28,129,762.26, 42,201,006.75 and 8,961,611.22 is: 13,444,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,129,762.26 : 42,201,006.75 = 8,961,611.22 : x
  2. Step 2: Convert to fraction form
    28,129,762.26/42,201,006.75 = 8,961,611.22/x
  3. Step 3: Cross multiply
    28,129,762.26x = 42,201,006.75 × 8,961,611.22
  4. Step 4: Simplify right side
    28,129,762.26x = 378,189,015,586,095.75
  5. Step 5: Solve for x
    x = 378,189,015,586,095.75/28,129,762.26
  6. Step 6: Final answer
    x = 13,444,444.08

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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.