Home / 11,157,964.20-16,719,231.60-7,367,018.40

Finding the Fourth Proportional to 11,157,964.20, 16,719,231.60 and 7,367,018.40

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Solution

The fourth proportional to 11,157,964.20, 16,719,231.60 and 7,367,018.40 is: 11,038,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157,964.20 : 16,719,231.60 = 7,367,018.40 : x
  2. Step 2: Convert to fraction form
    11,157,964.20/16,719,231.60 = 7,367,018.40/x
  3. Step 3: Cross multiply
    11,157,964.20x = 16,719,231.60 × 7,367,018.40
  4. Step 4: Simplify right side
    11,157,964.20x = 123,170,886,831,061.44
  5. Step 5: Solve for x
    x = 123,170,886,831,061.44/11,157,964.20
  6. Step 6: Final answer
    x = 11,038,831.51

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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.