Home / 47,878,514.70-66,072,772.71-27,253,288.86

Finding the Fourth Proportional to 47,878,514.70, 66,072,772.71 and 27,253,288.86

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Solution

The fourth proportional to 47,878,514.70, 66,072,772.71 and 27,253,288.86 is: 37,609,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,878,514.70 : 66,072,772.71 = 27,253,288.86 : x
  2. Step 2: Convert to fraction form
    47,878,514.70/66,072,772.71 = 27,253,288.86/x
  3. Step 3: Cross multiply
    47,878,514.70x = 66,072,772.71 × 27,253,288.86
  4. Step 4: Simplify right side
    47,878,514.70x = 1,800,700,360,446,755
  5. Step 5: Solve for x
    x = 1,800,700,360,446,755/47,878,514.70
  6. Step 6: Final answer
    x = 37,609,779.08

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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.