Home / 7,479,933.66-11,240,160.18-4,070,740.86

Finding the Fourth Proportional to 7,479,933.66, 11,240,160.18 and 4,070,740.86

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Solution

The fourth proportional to 7,479,933.66, 11,240,160.18 and 4,070,740.86 is: 6,117,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479,933.66 : 11,240,160.18 = 4,070,740.86 : x
  2. Step 2: Convert to fraction form
    7,479,933.66/11,240,160.18 = 4,070,740.86/x
  3. Step 3: Cross multiply
    7,479,933.66x = 11,240,160.18 × 4,070,740.86
  4. Step 4: Simplify right side
    7,479,933.66x = 45,755,779,317,670.95
  5. Step 5: Solve for x
    x = 45,755,779,317,670.95/7,479,933.66
  6. Step 6: Final answer
    x = 6,117,137.05

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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.