Home / 52,857,051.70-79,266,915.15-18,779,509.30

Finding the Fourth Proportional to 52,857,051.70, 79,266,915.15 and 18,779,509.30

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Solution

The fourth proportional to 52,857,051.70, 79,266,915.15 and 18,779,509.30 is: 28,162,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,857,051.70 : 79,266,915.15 = 18,779,509.30 : x
  2. Step 2: Convert to fraction form
    52,857,051.70/79,266,915.15 = 18,779,509.30/x
  3. Step 3: Cross multiply
    52,857,051.70x = 79,266,915.15 × 18,779,509.30
  4. Step 4: Simplify right side
    52,857,051.70x = 1,488,593,770,241,736
  5. Step 5: Solve for x
    x = 1,488,593,770,241,736/52,857,051.70
  6. Step 6: Final answer
    x = 28,162,633.41

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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.