Home / 15,181,863.44-20,948,902.44-9,068,994.32

Finding the Fourth Proportional to 15,181,863.44, 20,948,902.44 and 9,068,994.32

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Solution

The fourth proportional to 15,181,863.44, 20,948,902.44 and 9,068,994.32 is: 12,513,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181,863.44 : 20,948,902.44 = 9,068,994.32 : x
  2. Step 2: Convert to fraction form
    15,181,863.44/20,948,902.44 = 9,068,994.32/x
  3. Step 3: Cross multiply
    15,181,863.44x = 20,948,902.44 × 9,068,994.32
  4. Step 4: Simplify right side
    15,181,863.44x = 189,985,477,238,594.16
  5. Step 5: Solve for x
    x = 189,985,477,238,594.16/15,181,863.44
  6. Step 6: Final answer
    x = 12,513,976.17

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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.