Home / 28,132,257.58-38,824,142.49-15,742,242.82

Finding the Fourth Proportional to 28,132,257.58, 38,824,142.49 and 15,742,242.82

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Solution

The fourth proportional to 28,132,257.58, 38,824,142.49 and 15,742,242.82 is: 21,725,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,132,257.58 : 38,824,142.49 = 15,742,242.82 : x
  2. Step 2: Convert to fraction form
    28,132,257.58/38,824,142.49 = 15,742,242.82/x
  3. Step 3: Cross multiply
    28,132,257.58x = 38,824,142.49 × 15,742,242.82
  4. Step 4: Simplify right side
    28,132,257.58x = 611,179,078,355,859.50
  5. Step 5: Solve for x
    x = 611,179,078,355,859.50/28,132,257.58
  6. Step 6: Final answer
    x = 21,725,205.54

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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.