Home / 11,779,530.90-17,669,459.55-7,761,738.90

Finding the Fourth Proportional to 11,779,530.90, 17,669,459.55 and 7,761,738.90

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Solution

The fourth proportional to 11,779,530.90, 17,669,459.55 and 7,761,738.90 is: 11,642,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779,530.90 : 17,669,459.55 = 7,761,738.90 : x
  2. Step 2: Convert to fraction form
    11,779,530.90/17,669,459.55 = 7,761,738.90/x
  3. Step 3: Cross multiply
    11,779,530.90x = 17,669,459.55 × 7,761,738.90
  4. Step 4: Simplify right side
    11,779,530.90x = 137,145,731,531,211.50
  5. Step 5: Solve for x
    x = 137,145,731,531,211.50/11,779,530.90
  6. Step 6: Final answer
    x = 11,642,715.89

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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.