Home / 15,579,714-21,499,609.23-8,704,247.70

Finding the Fourth Proportional to 15,579,714, 21,499,609.23 and 8,704,247.70

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Solution

The fourth proportional to 15,579,714, 21,499,609.23 and 8,704,247.70 is: 12,011,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579,714 : 21,499,609.23 = 8,704,247.70 : x
  2. Step 2: Convert to fraction form
    15,579,714/21,499,609.23 = 8,704,247.70/x
  3. Step 3: Cross multiply
    15,579,714x = 21,499,609.23 × 8,704,247.70
  4. Step 4: Simplify right side
    15,579,714x = 187,137,924,191,126.25
  5. Step 5: Solve for x
    x = 187,137,924,191,126.25/15,579,714
  6. Step 6: Final answer
    x = 12,011,640.53

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1.5x scale

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.