Home / 21,384,011.10-32,076,016.65-8,613,680.70

Finding the Fourth Proportional to 21,384,011.10, 32,076,016.65 and 8,613,680.70

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Solution

The fourth proportional to 21,384,011.10, 32,076,016.65 and 8,613,680.70 is: 12,920,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,011.10 : 32,076,016.65 = 8,613,680.70 : x
  2. Step 2: Convert to fraction form
    21,384,011.10/32,076,016.65 = 8,613,680.70/x
  3. Step 3: Cross multiply
    21,384,011.10x = 32,076,016.65 × 8,613,680.70
  4. Step 4: Simplify right side
    21,384,011.10x = 276,292,565,550,983.62
  5. Step 5: Solve for x
    x = 276,292,565,550,983.62/21,384,011.10
  6. Step 6: Final answer
    x = 12,920,521.05

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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.