Home / 7,779,539.70-11,669,337.54-2,388,190.38

Finding the Fourth Proportional to 7,779,539.70, 11,669,337.54 and 2,388,190.38

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Solution

The fourth proportional to 7,779,539.70, 11,669,337.54 and 2,388,190.38 is: 3,582,294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779,539.70 : 11,669,337.54 = 2,388,190.38 : x
  2. Step 2: Convert to fraction form
    7,779,539.70/11,669,337.54 = 2,388,190.38/x
  3. Step 3: Cross multiply
    7,779,539.70x = 11,669,337.54 × 2,388,190.38
  4. Step 4: Simplify right side
    7,779,539.70x = 27,868,599,654,000.86
  5. Step 5: Solve for x
    x = 27,868,599,654,000.86/7,779,539.70
  6. Step 6: Final answer
    x = 3,582,294.16

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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.