Home / 15,338,543.22-21,167,173.80-8,463,024.72

Finding the Fourth Proportional to 15,338,543.22, 21,167,173.80 and 8,463,024.72

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Solution

The fourth proportional to 15,338,543.22, 21,167,173.80 and 8,463,024.72 is: 11,678,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,543.22 : 21,167,173.80 = 8,463,024.72 : x
  2. Step 2: Convert to fraction form
    15,338,543.22/21,167,173.80 = 8,463,024.72/x
  3. Step 3: Cross multiply
    15,338,543.22x = 21,167,173.80 × 8,463,024.72
  4. Step 4: Simplify right side
    15,338,543.22x = 179,138,315,121,936.34
  5. Step 5: Solve for x
    x = 179,138,315,121,936.34/15,338,543.22
  6. Step 6: Final answer
    x = 11,678,965.37

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1.5x scale

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.