Home / 9,802,310.72-13,525,202.88-5,727,142.40

Finding the Fourth Proportional to 9,802,310.72, 13,525,202.88 and 5,727,142.40

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Solution

The fourth proportional to 9,802,310.72, 13,525,202.88 and 5,727,142.40 is: 7,902,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,802,310.72 : 13,525,202.88 = 5,727,142.40 : x
  2. Step 2: Convert to fraction form
    9,802,310.72/13,525,202.88 = 5,727,142.40/x
  3. Step 3: Cross multiply
    9,802,310.72x = 13,525,202.88 × 5,727,142.40
  4. Step 4: Simplify right side
    9,802,310.72x = 77,460,762,882,650.12
  5. Step 5: Solve for x
    x = 77,460,762,882,650.12/9,802,310.72
  6. Step 6: Final answer
    x = 7,902,296.21

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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.