Home / 7,142,542.17-9,855,556.52-4,388,343.81

Finding the Fourth Proportional to 7,142,542.17, 9,855,556.52 and 4,388,343.81

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Solution

The fourth proportional to 7,142,542.17, 9,855,556.52 and 4,388,343.81 is: 6,055,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,542.17 : 9,855,556.52 = 4,388,343.81 : x
  2. Step 2: Convert to fraction form
    7,142,542.17/9,855,556.52 = 4,388,343.81/x
  3. Step 3: Cross multiply
    7,142,542.17x = 9,855,556.52 × 4,388,343.81
  4. Step 4: Simplify right side
    7,142,542.17x = 43,249,570,426,705.42
  5. Step 5: Solve for x
    x = 43,249,570,426,705.42/7,142,542.17
  6. Step 6: Final answer
    x = 6,055,206.87

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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.