Home / 6,513,999.17-8,990,396.91-3,614,324.21

Finding the Fourth Proportional to 6,513,999.17, 8,990,396.91 and 3,614,324.21

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Solution

The fourth proportional to 6,513,999.17, 8,990,396.91 and 3,614,324.21 is: 4,988,365.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,999.17 : 8,990,396.91 = 3,614,324.21 : x
  2. Step 2: Convert to fraction form
    6,513,999.17/8,990,396.91 = 3,614,324.21/x
  3. Step 3: Cross multiply
    6,513,999.17x = 8,990,396.91 × 3,614,324.21
  4. Step 4: Simplify right side
    6,513,999.17x = 32,494,209,209,322.19
  5. Step 5: Solve for x
    x = 32,494,209,209,322.19/6,513,999.17
  6. Step 6: Final answer
    x = 4,988,365.57

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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.