Home / 7,739,943.24-10,681,128.55-4,255,341.37

Finding the Fourth Proportional to 7,739,943.24, 10,681,128.55 and 4,255,341.37

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Solution

The fourth proportional to 7,739,943.24, 10,681,128.55 and 4,255,341.37 is: 5,872,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739,943.24 : 10,681,128.55 = 4,255,341.37 : x
  2. Step 2: Convert to fraction form
    7,739,943.24/10,681,128.55 = 4,255,341.37/x
  3. Step 3: Cross multiply
    7,739,943.24x = 10,681,128.55 × 4,255,341.37
  4. Step 4: Simplify right side
    7,739,943.24x = 45,451,848,197,103.12
  5. Step 5: Solve for x
    x = 45,451,848,197,103.12/7,739,943.24
  6. Step 6: Final answer
    x = 5,872,374.87

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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.