Home / 6,415,825.74-8,850,871.65-5,681,528.34

Finding the Fourth Proportional to 6,415,825.74, 8,850,871.65 and 5,681,528.34

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Solution

The fourth proportional to 6,415,825.74, 8,850,871.65 and 5,681,528.34 is: 7,837,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415,825.74 : 8,850,871.65 = 5,681,528.34 : x
  2. Step 2: Convert to fraction form
    6,415,825.74/8,850,871.65 = 5,681,528.34/x
  3. Step 3: Cross multiply
    6,415,825.74x = 8,850,871.65 × 5,681,528.34
  4. Step 4: Simplify right side
    6,415,825.74x = 50,286,478,113,177.56
  5. Step 5: Solve for x
    x = 50,286,478,113,177.56/6,415,825.74
  6. Step 6: Final answer
    x = 7,837,880.91

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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.