Home / 13,903,721.10-20,855,581.65-6,345,449.10

Finding the Fourth Proportional to 13,903,721.10, 20,855,581.65 and 6,345,449.10

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Solution

The fourth proportional to 13,903,721.10, 20,855,581.65 and 6,345,449.10 is: 9,518,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903,721.10 : 20,855,581.65 = 6,345,449.10 : x
  2. Step 2: Convert to fraction form
    13,903,721.10/20,855,581.65 = 6,345,449.10/x
  3. Step 3: Cross multiply
    13,903,721.10x = 20,855,581.65 × 6,345,449.10
  4. Step 4: Simplify right side
    13,903,721.10x = 132,338,031,810,969
  5. Step 5: Solve for x
    x = 132,338,031,810,969/13,903,721.10
  6. Step 6: Final answer
    x = 9,518,173.65

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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.