Home / 14,979,670.20-20,592,590.75-12,878,772.91

Finding the Fourth Proportional to 14,979,670.20, 20,592,590.75 and 12,878,772.91

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Solution

The fourth proportional to 14,979,670.20, 20,592,590.75 and 12,878,772.91 is: 17,704,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979,670.20 : 20,592,590.75 = 12,878,772.91 : x
  2. Step 2: Convert to fraction form
    14,979,670.20/20,592,590.75 = 12,878,772.91/x
  3. Step 3: Cross multiply
    14,979,670.20x = 20,592,590.75 × 12,878,772.91
  4. Step 4: Simplify right side
    14,979,670.20x = 265,207,299,897,816.59
  5. Step 5: Solve for x
    x = 265,207,299,897,816.59/14,979,670.20
  6. Step 6: Final answer
    x = 17,704,481.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.