Home / 8,208,001.20-12,312,001.80-3,414,097.20

Finding the Fourth Proportional to 8,208,001.20, 12,312,001.80 and 3,414,097.20

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Solution

The fourth proportional to 8,208,001.20, 12,312,001.80 and 3,414,097.20 is: 5,121,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208,001.20 : 12,312,001.80 = 3,414,097.20 : x
  2. Step 2: Convert to fraction form
    8,208,001.20/12,312,001.80 = 3,414,097.20/x
  3. Step 3: Cross multiply
    8,208,001.20x = 12,312,001.80 × 3,414,097.20
  4. Step 4: Simplify right side
    8,208,001.20x = 42,034,370,871,774.96
  5. Step 5: Solve for x
    x = 42,034,370,871,774.96/8,208,001.20
  6. Step 6: Final answer
    x = 5,121,145.80

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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.