Home / 21,984,716.40-32,977,074.60-18,725,211.60

Finding the Fourth Proportional to 21,984,716.40, 32,977,074.60 and 18,725,211.60

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Solution

The fourth proportional to 21,984,716.40, 32,977,074.60 and 18,725,211.60 is: 28,087,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,716.40 : 32,977,074.60 = 18,725,211.60 : x
  2. Step 2: Convert to fraction form
    21,984,716.40/32,977,074.60 = 18,725,211.60/x
  3. Step 3: Cross multiply
    21,984,716.40x = 32,977,074.60 × 18,725,211.60
  4. Step 4: Simplify right side
    21,984,716.40x = 617,502,699,833,985.38
  5. Step 5: Solve for x
    x = 617,502,699,833,985.38/21,984,716.40
  6. Step 6: Final answer
    x = 28,087,817.40

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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.