Home / 20,710,764.14-28,569,003.27-12,962,354.36

Finding the Fourth Proportional to 20,710,764.14, 28,569,003.27 and 12,962,354.36

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Solution

The fourth proportional to 20,710,764.14, 28,569,003.27 and 12,962,354.36 is: 17,880,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,764.14 : 28,569,003.27 = 12,962,354.36 : x
  2. Step 2: Convert to fraction form
    20,710,764.14/28,569,003.27 = 12,962,354.36/x
  3. Step 3: Cross multiply
    20,710,764.14x = 28,569,003.27 × 12,962,354.36
  4. Step 4: Simplify right side
    20,710,764.14x = 370,321,544,097,738.75
  5. Step 5: Solve for x
    x = 370,321,544,097,738.75/20,710,764.14
  6. Step 6: Final answer
    x = 17,880,631.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.