Home / 13,571,440.48-20,357,147.70-3,474,045.28

Finding the Fourth Proportional to 13,571,440.48, 20,357,147.70 and 3,474,045.28

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Solution

The fourth proportional to 13,571,440.48, 20,357,147.70 and 3,474,045.28 is: 5,211,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571,440.48 : 20,357,147.70 = 3,474,045.28 : x
  2. Step 2: Convert to fraction form
    13,571,440.48/20,357,147.70 = 3,474,045.28/x
  3. Step 3: Cross multiply
    13,571,440.48x = 20,357,147.70 × 3,474,045.28
  4. Step 4: Simplify right side
    13,571,440.48x = 70,721,652,881,447.84
  5. Step 5: Solve for x
    x = 70,721,652,881,447.84/13,571,440.48
  6. Step 6: Final answer
    x = 5,211,064.59

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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.