Home / 7,141,861.13-9,855,826.26-3,878,699.22

Finding the Fourth Proportional to 7,141,861.13, 9,855,826.26 and 3,878,699.22

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Solution

The fourth proportional to 7,141,861.13, 9,855,826.26 and 3,878,699.22 is: 5,352,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141,861.13 : 9,855,826.26 = 3,878,699.22 : x
  2. Step 2: Convert to fraction form
    7,141,861.13/9,855,826.26 = 3,878,699.22/x
  3. Step 3: Cross multiply
    7,141,861.13x = 9,855,826.26 × 3,878,699.22
  4. Step 4: Simplify right side
    7,141,861.13x = 38,227,785,604,703.29
  5. Step 5: Solve for x
    x = 38,227,785,604,703.29/7,141,861.13
  6. Step 6: Final answer
    x = 5,352,636.37

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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.