Home / 7,286,347.08-10,055,207.58-3,978,664.28

Finding the Fourth Proportional to 7,286,347.08, 10,055,207.58 and 3,978,664.28

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Solution

The fourth proportional to 7,286,347.08, 10,055,207.58 and 3,978,664.28 is: 5,490,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286,347.08 : 10,055,207.58 = 3,978,664.28 : x
  2. Step 2: Convert to fraction form
    7,286,347.08/10,055,207.58 = 3,978,664.28/x
  3. Step 3: Cross multiply
    7,286,347.08x = 10,055,207.58 × 3,978,664.28
  4. Step 4: Simplify right side
    7,286,347.08x = 40,006,295,176,255.20
  5. Step 5: Solve for x
    x = 40,006,295,176,255.20/7,286,347.08
  6. Step 6: Final answer
    x = 5,490,583.24

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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.