Home / 9,711,821.10-13,402,315.80-5,360,910.24

Finding the Fourth Proportional to 9,711,821.10, 13,402,315.80 and 5,360,910.24

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Solution

The fourth proportional to 9,711,821.10, 13,402,315.80 and 5,360,910.24 is: 7,398,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711,821.10 : 13,402,315.80 = 5,360,910.24 : x
  2. Step 2: Convert to fraction form
    9,711,821.10/13,402,315.80 = 5,360,910.24/x
  3. Step 3: Cross multiply
    9,711,821.10x = 13,402,315.80 × 5,360,910.24
  4. Step 4: Simplify right side
    9,711,821.10x = 71,848,612,011,933.80
  5. Step 5: Solve for x
    x = 71,848,612,011,933.80/9,711,821.10
  6. Step 6: Final answer
    x = 7,398,057.61

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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.