Home / 10,679,786.20-16,057,004.10-10,455,837.40

Finding the Fourth Proportional to 10,679,786.20, 16,057,004.10 and 10,455,837.40

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Solution

The fourth proportional to 10,679,786.20, 16,057,004.10 and 10,455,837.40 is: 15,720,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679,786.20 : 16,057,004.10 = 10,455,837.40 : x
  2. Step 2: Convert to fraction form
    10,679,786.20/16,057,004.10 = 10,455,837.40/x
  3. Step 3: Cross multiply
    10,679,786.20x = 16,057,004.10 × 10,455,837.40
  4. Step 4: Simplify right side
    10,679,786.20x = 167,889,424,000,733.34
  5. Step 5: Solve for x
    x = 167,889,424,000,733.34/10,679,786.20
  6. Step 6: Final answer
    x = 15,720,298.22

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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.