Home / 13,592,642.40-20,412,583.20-7,215,350.40

Finding the Fourth Proportional to 13,592,642.40, 20,412,583.20 and 7,215,350.40

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Solution

The fourth proportional to 13,592,642.40, 20,412,583.20 and 7,215,350.40 is: 10,835,563.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592,642.40 : 20,412,583.20 = 7,215,350.40 : x
  2. Step 2: Convert to fraction form
    13,592,642.40/20,412,583.20 = 7,215,350.40/x
  3. Step 3: Cross multiply
    13,592,642.40x = 20,412,583.20 × 7,215,350.40
  4. Step 4: Simplify right side
    13,592,642.40x = 147,283,940,357,153.28
  5. Step 5: Solve for x
    x = 147,283,940,357,153.28/13,592,642.40
  6. Step 6: Final answer
    x = 10,835,563.54

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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.