Home / 42,893,272.87-64,303,747.23-18,613,909.64

Finding the Fourth Proportional to 42,893,272.87, 64,303,747.23 and 18,613,909.64

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Solution

The fourth proportional to 42,893,272.87, 64,303,747.23 and 18,613,909.64 is: 27,905,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,893,272.87 : 64,303,747.23 = 18,613,909.64 : x
  2. Step 2: Convert to fraction form
    42,893,272.87/64,303,747.23 = 18,613,909.64/x
  3. Step 3: Cross multiply
    42,893,272.87x = 64,303,747.23 × 18,613,909.64
  4. Step 4: Simplify right side
    42,893,272.87x = 1,196,944,140,452,620.25
  5. Step 5: Solve for x
    x = 1,196,944,140,452,620.25/42,893,272.87
  6. Step 6: Final answer
    x = 27,905,171.62

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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.