Home / 10,601,709.81-15,900,671.64-2,820,668.79

Finding the Fourth Proportional to 10,601,709.81, 15,900,671.64 and 2,820,668.79

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Solution

The fourth proportional to 10,601,709.81, 15,900,671.64 and 2,820,668.79 is: 4,230,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,601,709.81 : 15,900,671.64 = 2,820,668.79 : x
  2. Step 2: Convert to fraction form
    10,601,709.81/15,900,671.64 = 2,820,668.79/x
  3. Step 3: Cross multiply
    10,601,709.81x = 15,900,671.64 × 2,820,668.79
  4. Step 4: Simplify right side
    10,601,709.81x = 44,850,528,234,986.12
  5. Step 5: Solve for x
    x = 44,850,528,234,986.12/10,601,709.81
  6. Step 6: Final answer
    x = 4,230,499.52

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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.