Home / 21,721,930.40-32,582,895.60-6,576,615.20

Finding the Fourth Proportional to 21,721,930.40, 32,582,895.60 and 6,576,615.20

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Solution

The fourth proportional to 21,721,930.40, 32,582,895.60 and 6,576,615.20 is: 9,864,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,721,930.40 : 32,582,895.60 = 6,576,615.20 : x
  2. Step 2: Convert to fraction form
    21,721,930.40/32,582,895.60 = 6,576,615.20/x
  3. Step 3: Cross multiply
    21,721,930.40x = 32,582,895.60 × 6,576,615.20
  4. Step 4: Simplify right side
    21,721,930.40x = 214,285,166,462,973.12
  5. Step 5: Solve for x
    x = 214,285,166,462,973.12/21,721,930.40
  6. Step 6: Final answer
    x = 9,864,922.80

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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.