Home / 20,616,772.46-28,450,366.51-11,450,005.70

Finding the Fourth Proportional to 20,616,772.46, 28,450,366.51 and 11,450,005.70

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Solution

The fourth proportional to 20,616,772.46, 28,450,366.51 and 11,450,005.70 is: 15,800,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616,772.46 : 28,450,366.51 = 11,450,005.70 : x
  2. Step 2: Convert to fraction form
    20,616,772.46/28,450,366.51 = 11,450,005.70/x
  3. Step 3: Cross multiply
    20,616,772.46x = 28,450,366.51 × 11,450,005.70
  4. Step 4: Simplify right side
    20,616,772.46x = 325,756,858,748,897.75
  5. Step 5: Solve for x
    x = 325,756,858,748,897.75/20,616,772.46
  6. Step 6: Final answer
    x = 15,800,574.96

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