Home / 15,311,095.43-21,129,300.05-8,435,577.48

Finding the Fourth Proportional to 15,311,095.43, 21,129,300.05 and 8,435,577.48

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Solution

The fourth proportional to 15,311,095.43, 21,129,300.05 and 8,435,577.48 is: 11,641,090.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311,095.43 : 21,129,300.05 = 8,435,577.48 : x
  2. Step 2: Convert to fraction form
    15,311,095.43/21,129,300.05 = 8,435,577.48/x
  3. Step 3: Cross multiply
    15,311,095.43x = 21,129,300.05 × 8,435,577.48
  4. Step 4: Simplify right side
    15,311,095.43x = 178,237,847,627,765
  5. Step 5: Solve for x
    x = 178,237,847,627,765/15,311,095.43
  6. Step 6: Final answer
    x = 11,641,090.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.