Home / 21,943,890.80-32,934,498.60-9,831,993.20

Finding the Fourth Proportional to 21,943,890.80, 32,934,498.60 and 9,831,993.20

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Solution

The fourth proportional to 21,943,890.80, 32,934,498.60 and 9,831,993.20 is: 14,756,351.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943,890.80 : 32,934,498.60 = 9,831,993.20 : x
  2. Step 2: Convert to fraction form
    21,943,890.80/32,934,498.60 = 9,831,993.20/x
  3. Step 3: Cross multiply
    21,943,890.80x = 32,934,498.60 × 9,831,993.20
  4. Step 4: Simplify right side
    21,943,890.80x = 323,811,766,280,609.50
  5. Step 5: Solve for x
    x = 323,811,766,280,609.50/21,943,890.80
  6. Step 6: Final answer
    x = 14,756,351.52

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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.