Home / 21,984,719.40-32,977,079.10-19,965,243.60

Finding the Fourth Proportional to 21,984,719.40, 32,977,079.10 and 19,965,243.60

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Solution

The fourth proportional to 21,984,719.40, 32,977,079.10 and 19,965,243.60 is: 29,947,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,719.40 : 32,977,079.10 = 19,965,243.60 : x
  2. Step 2: Convert to fraction form
    21,984,719.40/32,977,079.10 = 19,965,243.60/x
  3. Step 3: Cross multiply
    21,984,719.40x = 32,977,079.10 × 19,965,243.60
  4. Step 4: Simplify right side
    21,984,719.40x = 658,395,417,447,968.88
  5. Step 5: Solve for x
    x = 658,395,417,447,968.88/21,984,719.40
  6. Step 6: Final answer
    x = 29,947,865.40

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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.