Home / 15,919,919.14-23,879,864.12-4,990,187.38

Finding the Fourth Proportional to 15,919,919.14, 23,879,864.12 and 4,990,187.38

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Solution

The fourth proportional to 15,919,919.14, 23,879,864.12 and 4,990,187.38 is: 7,485,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919,919.14 : 23,879,864.12 = 4,990,187.38 : x
  2. Step 2: Convert to fraction form
    15,919,919.14/23,879,864.12 = 4,990,187.38/x
  3. Step 3: Cross multiply
    15,919,919.14x = 23,879,864.12 × 4,990,187.38
  4. Step 4: Simplify right side
    15,919,919.14x = 119,164,996,448,339.48
  5. Step 5: Solve for x
    x = 119,164,996,448,339.48/15,919,919.14
  6. Step 6: Final answer
    x = 7,485,276.49

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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.