Home / 13,282,623.83-18,323,758.19-7,772,618.63

Finding the Fourth Proportional to 13,282,623.83, 18,323,758.19 and 7,772,618.63

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Solution

The fourth proportional to 13,282,623.83, 18,323,758.19 and 7,772,618.63 is: 10,722,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282,623.83 : 18,323,758.19 = 7,772,618.63 : x
  2. Step 2: Convert to fraction form
    13,282,623.83/18,323,758.19 = 7,772,618.63/x
  3. Step 3: Cross multiply
    13,282,623.83x = 18,323,758.19 × 7,772,618.63
  4. Step 4: Simplify right side
    13,282,623.83x = 142,423,584,344,450.03
  5. Step 5: Solve for x
    x = 142,423,584,344,450.03/13,282,623.83
  6. Step 6: Final answer
    x = 10,722,548.96

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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.