Home / 12,271,904.80-18,407,857.20-4,194,001.60

Finding the Fourth Proportional to 12,271,904.80, 18,407,857.20 and 4,194,001.60

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Solution

The fourth proportional to 12,271,904.80, 18,407,857.20 and 4,194,001.60 is: 6,291,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271,904.80 : 18,407,857.20 = 4,194,001.60 : x
  2. Step 2: Convert to fraction form
    12,271,904.80/18,407,857.20 = 4,194,001.60/x
  3. Step 3: Cross multiply
    12,271,904.80x = 18,407,857.20 × 4,194,001.60
  4. Step 4: Simplify right side
    12,271,904.80x = 77,202,582,549,371.52
  5. Step 5: Solve for x
    x = 77,202,582,549,371.52/12,271,904.80
  6. Step 6: Final answer
    x = 6,291,002.40

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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.