Home / 8,142,904.20-12,208,451.40-3,348,125.40

Finding the Fourth Proportional to 8,142,904.20, 12,208,451.40 and 3,348,125.40

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Solution

The fourth proportional to 8,142,904.20, 12,208,451.40 and 3,348,125.40 is: 5,019,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,904.20 : 12,208,451.40 = 3,348,125.40 : x
  2. Step 2: Convert to fraction form
    8,142,904.20/12,208,451.40 = 3,348,125.40/x
  3. Step 3: Cross multiply
    8,142,904.20x = 12,208,451.40 × 3,348,125.40
  4. Step 4: Simplify right side
    8,142,904.20x = 40,875,426,227,005.56
  5. Step 5: Solve for x
    x = 40,875,426,227,005.56/8,142,904.20
  6. Step 6: Final answer
    x = 5,019,760.18

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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.