Home / 14,762,530.89-20,372,883.12-8,236,730.64

Finding the Fourth Proportional to 14,762,530.89, 20,372,883.12 and 8,236,730.64

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Solution

The fourth proportional to 14,762,530.89, 20,372,883.12 and 8,236,730.64 is: 11,367,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762,530.89 : 20,372,883.12 = 8,236,730.64 : x
  2. Step 2: Convert to fraction form
    14,762,530.89/20,372,883.12 = 8,236,730.64/x
  3. Step 3: Cross multiply
    14,762,530.89x = 20,372,883.12 × 8,236,730.64
  4. Step 4: Simplify right side
    14,762,530.89x = 167,805,950,619,642.81
  5. Step 5: Solve for x
    x = 167,805,950,619,642.81/14,762,530.89
  6. Step 6: Final answer
    x = 11,367,017.75

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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.