Home / 6,688,803.11-9,230,391.29-3,935,668.86

Finding the Fourth Proportional to 6,688,803.11, 9,230,391.29 and 3,935,668.86

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Solution

The fourth proportional to 6,688,803.11, 9,230,391.29 and 3,935,668.86 is: 5,431,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,803.11 : 9,230,391.29 = 3,935,668.86 : x
  2. Step 2: Convert to fraction form
    6,688,803.11/9,230,391.29 = 3,935,668.86/x
  3. Step 3: Cross multiply
    6,688,803.11x = 9,230,391.29 × 3,935,668.86
  4. Step 4: Simplify right side
    6,688,803.11x = 36,327,763,565,668.23
  5. Step 5: Solve for x
    x = 36,327,763,565,668.23/6,688,803.11
  6. Step 6: Final answer
    x = 5,431,130.65

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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.