Home / 15,613,917.09-21,549,468.24-8,997,218.25

Finding the Fourth Proportional to 15,613,917.09, 21,549,468.24 and 8,997,218.25

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Solution

The fourth proportional to 15,613,917.09, 21,549,468.24 and 8,997,218.25 is: 12,417,465.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613,917.09 : 21,549,468.24 = 8,997,218.25 : x
  2. Step 2: Convert to fraction form
    15,613,917.09/21,549,468.24 = 8,997,218.25/x
  3. Step 3: Cross multiply
    15,613,917.09x = 21,549,468.24 × 8,997,218.25
  4. Step 4: Simplify right side
    15,613,917.09x = 193,885,268,926,723.38
  5. Step 5: Solve for x
    x = 193,885,268,926,723.38/15,613,917.09
  6. Step 6: Final answer
    x = 12,417,465.00

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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.