Home / 10,780,549.86-16,145,045.37-6,217,765.56

Finding the Fourth Proportional to 10,780,549.86, 16,145,045.37 and 6,217,765.56

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Solution

The fourth proportional to 10,780,549.86, 16,145,045.37 and 6,217,765.56 is: 9,311,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,549.86 : 16,145,045.37 = 6,217,765.56 : x
  2. Step 2: Convert to fraction form
    10,780,549.86/16,145,045.37 = 6,217,765.56/x
  3. Step 3: Cross multiply
    10,780,549.86x = 16,145,045.37 × 6,217,765.56
  4. Step 4: Simplify right side
    10,780,549.86x = 100,386,107,066,223.45
  5. Step 5: Solve for x
    x = 100,386,107,066,223.45/10,780,549.86
  6. Step 6: Final answer
    x = 9,311,779.86

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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.