Home / 8,681,716.40-13,019,464.20-4,420,468.40

Finding the Fourth Proportional to 8,681,716.40, 13,019,464.20 and 4,420,468.40

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Solution

The fourth proportional to 8,681,716.40, 13,019,464.20 and 4,420,468.40 is: 6,629,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,716.40 : 13,019,464.20 = 4,420,468.40 : x
  2. Step 2: Convert to fraction form
    8,681,716.40/13,019,464.20 = 4,420,468.40/x
  3. Step 3: Cross multiply
    8,681,716.40x = 13,019,464.20 × 4,420,468.40
  4. Step 4: Simplify right side
    8,681,716.40x = 57,552,130,081,031.28
  5. Step 5: Solve for x
    x = 57,552,130,081,031.28/8,681,716.40
  6. Step 6: Final answer
    x = 6,629,118.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.