Home / 9,219,315.60-12,723,859.32-5,145,780.24

Finding the Fourth Proportional to 9,219,315.60, 12,723,859.32 and 5,145,780.24

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Solution

The fourth proportional to 9,219,315.60, 12,723,859.32 and 5,145,780.24 is: 7,101,848.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219,315.60 : 12,723,859.32 = 5,145,780.24 : x
  2. Step 2: Convert to fraction form
    9,219,315.60/12,723,859.32 = 5,145,780.24/x
  3. Step 3: Cross multiply
    9,219,315.60x = 12,723,859.32 × 5,145,780.24
  4. Step 4: Simplify right side
    9,219,315.60x = 65,474,183,865,395.84
  5. Step 5: Solve for x
    x = 65,474,183,865,395.84/9,219,315.60
  6. Step 6: Final answer
    x = 7,101,848.63

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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.