Home / 8,155,863.95-11,255,809.41-4,485,427.31

Finding the Fourth Proportional to 8,155,863.95, 11,255,809.41 and 4,485,427.31

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Solution

The fourth proportional to 8,155,863.95, 11,255,809.41 and 4,485,427.31 is: 6,190,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155,863.95 : 11,255,809.41 = 4,485,427.31 : x
  2. Step 2: Convert to fraction form
    8,155,863.95/11,255,809.41 = 4,485,427.31/x
  3. Step 3: Cross multiply
    8,155,863.95x = 11,255,809.41 × 4,485,427.31
  4. Step 4: Simplify right side
    8,155,863.95x = 50,487,114,951,908.51
  5. Step 5: Solve for x
    x = 50,487,114,951,908.51/8,155,863.95
  6. Step 6: Final answer
    x = 6,190,284.11

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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.