Home / 21,984,786.40-32,977,179.60-18,457,592.80

Finding the Fourth Proportional to 21,984,786.40, 32,977,179.60 and 18,457,592.80

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Solution

The fourth proportional to 21,984,786.40, 32,977,179.60 and 18,457,592.80 is: 27,686,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,786.40 : 32,977,179.60 = 18,457,592.80 : x
  2. Step 2: Convert to fraction form
    21,984,786.40/32,977,179.60 = 18,457,592.80/x
  3. Step 3: Cross multiply
    21,984,786.40x = 32,977,179.60 × 18,457,592.80
  4. Step 4: Simplify right side
    21,984,786.40x = 608,679,352,749,266.88
  5. Step 5: Solve for x
    x = 608,679,352,749,266.88/21,984,786.40
  6. Step 6: Final answer
    x = 27,686,389.20

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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.