Home / 42,893,272.86-64,303,747.22-18,613,909.64

Finding the Fourth Proportional to 42,893,272.86, 64,303,747.22 and 18,613,909.64

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Solution

The fourth proportional to 42,893,272.86, 64,303,747.22 and 18,613,909.64 is: 27,905,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,893,272.86 : 64,303,747.22 = 18,613,909.64 : x
  2. Step 2: Convert to fraction form
    42,893,272.86/64,303,747.22 = 18,613,909.64/x
  3. Step 3: Cross multiply
    42,893,272.86x = 64,303,747.22 × 18,613,909.64
  4. Step 4: Simplify right side
    42,893,272.86x = 1,196,944,140,266,481.25
  5. Step 5: Solve for x
    x = 1,196,944,140,266,481.25/42,893,272.86
  6. Step 6: Final answer
    x = 27,905,171.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.