Home / 21,984,755.40-32,977,133.10-18,725,250.60

Finding the Fourth Proportional to 21,984,755.40, 32,977,133.10 and 18,725,250.60

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Solution

The fourth proportional to 21,984,755.40, 32,977,133.10 and 18,725,250.60 is: 28,087,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,755.40 : 32,977,133.10 = 18,725,250.60 : x
  2. Step 2: Convert to fraction form
    21,984,755.40/32,977,133.10 = 18,725,250.60/x
  3. Step 3: Cross multiply
    21,984,755.40x = 32,977,133.10 × 18,725,250.60
  4. Step 4: Simplify right side
    21,984,755.40x = 617,505,081,367,054.88
  5. Step 5: Solve for x
    x = 617,505,081,367,054.88/21,984,755.40
  6. Step 6: Final answer
    x = 28,087,875.90

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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.