Home / 9,000,189.37-12,420,294.26-4,870,220.57

Finding the Fourth Proportional to 9,000,189.37, 12,420,294.26 and 4,870,220.57

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Solution

The fourth proportional to 9,000,189.37, 12,420,294.26 and 4,870,220.57 is: 6,720,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,189.37 : 12,420,294.26 = 4,870,220.57 : x
  2. Step 2: Convert to fraction form
    9,000,189.37/12,420,294.26 = 4,870,220.57/x
  3. Step 3: Cross multiply
    9,000,189.37x = 12,420,294.26 × 4,870,220.57
  4. Step 4: Simplify right side
    9,000,189.37x = 60,489,572,590,504.93
  5. Step 5: Solve for x
    x = 60,489,572,590,504.93/9,000,189.37
  6. Step 6: Final answer
    x = 6,720,922.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.