Home / 8,160,988.40-12,227,485.80-3,891,964.40

Finding the Fourth Proportional to 8,160,988.40, 12,227,485.80 and 3,891,964.40

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Solution

The fourth proportional to 8,160,988.40, 12,227,485.80 and 3,891,964.40 is: 5,831,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,988.40 : 12,227,485.80 = 3,891,964.40 : x
  2. Step 2: Convert to fraction form
    8,160,988.40/12,227,485.80 = 3,891,964.40/x
  3. Step 3: Cross multiply
    8,160,988.40x = 12,227,485.80 × 3,891,964.40
  4. Step 4: Simplify right side
    8,160,988.40x = 47,588,939,435,105.52
  5. Step 5: Solve for x
    x = 47,588,939,435,105.52/8,160,988.40
  6. Step 6: Final answer
    x = 5,831,271.54

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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.