Home / 15,063,454.56-20,787,460.47-8,537,028.60

Finding the Fourth Proportional to 15,063,454.56, 20,787,460.47 and 8,537,028.60

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Solution

The fourth proportional to 15,063,454.56, 20,787,460.47 and 8,537,028.60 is: 11,781,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063,454.56 : 20,787,460.47 = 8,537,028.60 : x
  2. Step 2: Convert to fraction form
    15,063,454.56/20,787,460.47 = 8,537,028.60/x
  3. Step 3: Cross multiply
    15,063,454.56x = 20,787,460.47 × 8,537,028.60
  4. Step 4: Simplify right side
    15,063,454.56x = 177,463,144,553,759.44
  5. Step 5: Solve for x
    x = 177,463,144,553,759.44/15,063,454.56
  6. Step 6: Final answer
    x = 11,781,038.93

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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.