Home / 15,613,907.59-21,549,455.09-8,997,208.75

Finding the Fourth Proportional to 15,613,907.59, 21,549,455.09 and 8,997,208.75

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Solution

The fourth proportional to 15,613,907.59, 21,549,455.09 and 8,997,208.75 is: 12,417,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613,907.59 : 21,549,455.09 = 8,997,208.75 : x
  2. Step 2: Convert to fraction form
    15,613,907.59/21,549,455.09 = 8,997,208.75/x
  3. Step 3: Cross multiply
    15,613,907.59x = 21,549,455.09 × 8,997,208.75
  4. Step 4: Simplify right side
    15,613,907.59x = 193,884,945,893,480.03
  5. Step 5: Solve for x
    x = 193,884,945,893,480.03/15,613,907.59
  6. Step 6: Final answer
    x = 12,417,451.86

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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.