Home / 15,919,919.39-23,879,864.49-4,990,187.63

Finding the Fourth Proportional to 15,919,919.39, 23,879,864.49 and 4,990,187.63

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Solution

The fourth proportional to 15,919,919.39, 23,879,864.49 and 4,990,187.63 is: 7,485,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919,919.39 : 23,879,864.49 = 4,990,187.63 : x
  2. Step 2: Convert to fraction form
    15,919,919.39/23,879,864.49 = 4,990,187.63/x
  3. Step 3: Cross multiply
    15,919,919.39x = 23,879,864.49 × 4,990,187.63
  4. Step 4: Simplify right side
    15,919,919.39x = 119,165,004,264,674.92
  5. Step 5: Solve for x
    x = 119,165,004,264,674.92/15,919,919.39
  6. Step 6: Final answer
    x = 7,485,276.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.