Home / 8,621,959.20-12,932,938.80-7,294,855.20

Finding the Fourth Proportional to 8,621,959.20, 12,932,938.80 and 7,294,855.20

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Solution

The fourth proportional to 8,621,959.20, 12,932,938.80 and 7,294,855.20 is: 10,942,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621,959.20 : 12,932,938.80 = 7,294,855.20 : x
  2. Step 2: Convert to fraction form
    8,621,959.20/12,932,938.80 = 7,294,855.20/x
  3. Step 3: Cross multiply
    8,621,959.20x = 12,932,938.80 × 7,294,855.20
  4. Step 4: Simplify right side
    8,621,959.20x = 94,343,915,856,461.77
  5. Step 5: Solve for x
    x = 94,343,915,856,461.77/8,621,959.20
  6. Step 6: Final answer
    x = 10,942,282.80

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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.