Home / 15,036,513.38-20,750,587.53-8,161,077.86

Finding the Fourth Proportional to 15,036,513.38, 20,750,587.53 and 8,161,077.86

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Solution

The fourth proportional to 15,036,513.38, 20,750,587.53 and 8,161,077.86 is: 11,262,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,513.38 : 20,750,587.53 = 8,161,077.86 : x
  2. Step 2: Convert to fraction form
    15,036,513.38/20,750,587.53 = 8,161,077.86/x
  3. Step 3: Cross multiply
    15,036,513.38x = 20,750,587.53 × 8,161,077.86
  4. Step 4: Simplify right side
    15,036,513.38x = 169,347,160,473,075.09
  5. Step 5: Solve for x
    x = 169,347,160,473,075.09/15,036,513.38
  6. Step 6: Final answer
    x = 11,262,395.49

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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.