Home / 28,859,061.70-43,289,144.77-9,428,341.26

Finding the Fourth Proportional to 28,859,061.70, 43,289,144.77 and 9,428,341.26

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Solution

The fourth proportional to 28,859,061.70, 43,289,144.77 and 9,428,341.26 is: 14,142,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859,061.70 : 43,289,144.77 = 9,428,341.26 : x
  2. Step 2: Convert to fraction form
    28,859,061.70/43,289,144.77 = 9,428,341.26/x
  3. Step 3: Cross multiply
    28,859,061.70x = 43,289,144.77 × 9,428,341.26
  4. Step 4: Simplify right side
    28,859,061.70x = 408,144,829,745,104.25
  5. Step 5: Solve for x
    x = 408,144,829,745,104.25/28,859,061.70
  6. Step 6: Final answer
    x = 14,142,692.30

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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.