Home / 7,117,384.65-9,821,989.23-3,854,199.31

Finding the Fourth Proportional to 7,117,384.65, 9,821,989.23 and 3,854,199.31

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Solution

The fourth proportional to 7,117,384.65, 9,821,989.23 and 3,854,199.31 is: 5,318,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,384.65 : 9,821,989.23 = 3,854,199.31 : x
  2. Step 2: Convert to fraction form
    7,117,384.65/9,821,989.23 = 3,854,199.31/x
  3. Step 3: Cross multiply
    7,117,384.65x = 9,821,989.23 × 3,854,199.31
  4. Step 4: Simplify right side
    7,117,384.65x = 37,855,904,074,085.21
  5. Step 5: Solve for x
    x = 37,855,904,074,085.21/7,117,384.65
  6. Step 6: Final answer
    x = 5,318,794.19

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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.