Home / 28,453,425.44-42,680,168.94-13,317,985.76

Finding the Fourth Proportional to 28,453,425.44, 42,680,168.94 and 13,317,985.76

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Solution

The fourth proportional to 28,453,425.44, 42,680,168.94 and 13,317,985.76 is: 19,976,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,425.44 : 42,680,168.94 = 13,317,985.76 : x
  2. Step 2: Convert to fraction form
    28,453,425.44/42,680,168.94 = 13,317,985.76/x
  3. Step 3: Cross multiply
    28,453,425.44x = 42,680,168.94 × 13,317,985.76
  4. Step 4: Simplify right side
    28,453,425.44x = 568,413,881,963,913.50
  5. Step 5: Solve for x
    x = 568,413,881,963,913.50/28,453,425.44
  6. Step 6: Final answer
    x = 19,976,993.04

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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.