Home / 18,931,692.33-28,397,538.36-4,554,759.96

Finding the Fourth Proportional to 18,931,692.33, 28,397,538.36 and 4,554,759.96

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Solution

The fourth proportional to 18,931,692.33, 28,397,538.36 and 4,554,759.96 is: 6,832,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931,692.33 : 28,397,538.36 = 4,554,759.96 : x
  2. Step 2: Convert to fraction form
    18,931,692.33/28,397,538.36 = 4,554,759.96/x
  3. Step 3: Cross multiply
    18,931,692.33x = 28,397,538.36 × 4,554,759.96
  4. Step 4: Simplify right side
    18,931,692.33x = 129,343,970,684,692.06
  5. Step 5: Solve for x
    x = 129,343,970,684,692.06/18,931,692.33
  6. Step 6: Final answer
    x = 6,832,139.91

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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.