Home / 22,205,403.18-30,613,320.72-15,580,991.12

Finding the Fourth Proportional to 22,205,403.18, 30,613,320.72 and 15,580,991.12

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Solution

The fourth proportional to 22,205,403.18, 30,613,320.72 and 15,580,991.12 is: 21,480,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205,403.18 : 30,613,320.72 = 15,580,991.12 : x
  2. Step 2: Convert to fraction form
    22,205,403.18/30,613,320.72 = 15,580,991.12/x
  3. Step 3: Cross multiply
    22,205,403.18x = 30,613,320.72 × 15,580,991.12
  4. Step 4: Simplify right side
    22,205,403.18x = 476,985,878,138,965.38
  5. Step 5: Solve for x
    x = 476,985,878,138,965.38/22,205,403.18
  6. Step 6: Final answer
    x = 21,480,622.27

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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.