Home / 7,137,021.69-9,849,099.90-3,873,837.11

Finding the Fourth Proportional to 7,137,021.69, 9,849,099.90 and 3,873,837.11

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Solution

The fourth proportional to 7,137,021.69, 9,849,099.90 and 3,873,837.11 is: 5,345,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,021.69 : 9,849,099.90 = 3,873,837.11 : x
  2. Step 2: Convert to fraction form
    7,137,021.69/9,849,099.90 = 3,873,837.11/x
  3. Step 3: Cross multiply
    7,137,021.69x = 9,849,099.90 × 3,873,837.11
  4. Step 4: Simplify right side
    7,137,021.69x = 38,153,808,643,471.79
  5. Step 5: Solve for x
    x = 38,153,808,643,471.79/7,137,021.69
  6. Step 6: Final answer
    x = 5,345,900.62

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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.