Home / 15,999,900-24,002,343.12-5,214,698.64

Finding the Fourth Proportional to 15,999,900, 24,002,343.12 and 5,214,698.64

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Solution

The fourth proportional to 15,999,900, 24,002,343.12 and 5,214,698.64 is: 7,822,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999,900 : 24,002,343.12 = 5,214,698.64 : x
  2. Step 2: Convert to fraction form
    15,999,900/24,002,343.12 = 5,214,698.64/x
  3. Step 3: Cross multiply
    15,999,900x = 24,002,343.12 × 5,214,698.64
  4. Step 4: Simplify right side
    15,999,900x = 125,164,986,024,677.36
  5. Step 5: Solve for x
    x = 125,164,986,024,677.36/15,999,900
  6. Step 6: Final answer
    x = 7,822,860.52

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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.