Home / 7,887,779-10,885,135.83-4,266,107

Finding the Fourth Proportional to 7,887,779, 10,885,135.83 and 4,266,107

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Solution

The fourth proportional to 7,887,779, 10,885,135.83 and 4,266,107 is: 5,887,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,779 : 10,885,135.83 = 4,266,107 : x
  2. Step 2: Convert to fraction form
    7,887,779/10,885,135.83 = 4,266,107/x
  3. Step 3: Cross multiply
    7,887,779x = 10,885,135.83 × 4,266,107
  4. Step 4: Simplify right side
    7,887,779x = 46,437,154,160,313.81
  5. Step 5: Solve for x
    x = 46,437,154,160,313.81/7,887,779
  6. Step 6: Final answer
    x = 5,887,228.10

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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.