Home / 7,183,399.86-9,913,301.78-3,920,424.01

Finding the Fourth Proportional to 7,183,399.86, 9,913,301.78 and 3,920,424.01

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Solution

The fourth proportional to 7,183,399.86, 9,913,301.78 and 3,920,424.01 is: 5,410,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183,399.86 : 9,913,301.78 = 3,920,424.01 : x
  2. Step 2: Convert to fraction form
    7,183,399.86/9,913,301.78 = 3,920,424.01/x
  3. Step 3: Cross multiply
    7,183,399.86x = 9,913,301.78 × 3,920,424.01
  4. Step 4: Simplify right side
    7,183,399.86x = 38,864,346,272,302.36
  5. Step 5: Solve for x
    x = 38,864,346,272,302.36/7,183,399.86
  6. Step 6: Final answer
    x = 5,410,299.72

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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.