Home / 28,030,266.60-42,045,399.90-17,212,489.80

Finding the Fourth Proportional to 28,030,266.60, 42,045,399.90 and 17,212,489.80

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Solution

The fourth proportional to 28,030,266.60, 42,045,399.90 and 17,212,489.80 is: 25,818,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,266.60 : 42,045,399.90 = 17,212,489.80 : x
  2. Step 2: Convert to fraction form
    28,030,266.60/42,045,399.90 = 17,212,489.80/x
  3. Step 3: Cross multiply
    28,030,266.60x = 42,045,399.90 × 17,212,489.80
  4. Step 4: Simplify right side
    28,030,266.60x = 723,706,016,915,671
  5. Step 5: Solve for x
    x = 723,706,016,915,671/28,030,266.60
  6. Step 6: Final answer
    x = 25,818,734.70

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1.5x scale

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.