Home / 15,140,375.52-20,893,448.40-8,613,864.48

Finding the Fourth Proportional to 15,140,375.52, 20,893,448.40 and 8,613,864.48

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Solution

The fourth proportional to 15,140,375.52, 20,893,448.40 and 8,613,864.48 is: 11,886,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140,375.52 : 20,893,448.40 = 8,613,864.48 : x
  2. Step 2: Convert to fraction form
    15,140,375.52/20,893,448.40 = 8,613,864.48/x
  3. Step 3: Cross multiply
    15,140,375.52x = 20,893,448.40 × 8,613,864.48
  4. Step 4: Simplify right side
    15,140,375.52x = 179,973,333,037,472.84
  5. Step 5: Solve for x
    x = 179,973,333,037,472.84/15,140,375.52
  6. Step 6: Final answer
    x = 11,886,979.47

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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.