Home / 12,759,271.20-19,140,656.40-4,238,719.20

Finding the Fourth Proportional to 12,759,271.20, 19,140,656.40 and 4,238,719.20

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Solution

The fourth proportional to 12,759,271.20, 19,140,656.40 and 4,238,719.20 is: 6,358,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759,271.20 : 19,140,656.40 = 4,238,719.20 : x
  2. Step 2: Convert to fraction form
    12,759,271.20/19,140,656.40 = 4,238,719.20/x
  3. Step 3: Cross multiply
    12,759,271.20x = 19,140,656.40 × 4,238,719.20
  4. Step 4: Simplify right side
    12,759,271.20x = 81,131,867,783,282.88
  5. Step 5: Solve for x
    x = 81,131,867,783,282.88/12,759,271.20
  6. Step 6: Final answer
    x = 6,358,660.03

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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.