Home / 13,163,642.85-19,748,157.37-4,526,621.57

Finding the Fourth Proportional to 13,163,642.85, 19,748,157.37 and 4,526,621.57

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Solution

The fourth proportional to 13,163,642.85, 19,748,157.37 and 4,526,621.57 is: 6,790,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163,642.85 : 19,748,157.37 = 4,526,621.57 : x
  2. Step 2: Convert to fraction form
    13,163,642.85/19,748,157.37 = 4,526,621.57/x
  3. Step 3: Cross multiply
    13,163,642.85x = 19,748,157.37 × 4,526,621.57
  4. Step 4: Simplify right side
    13,163,642.85x = 89,392,434,997,422.58
  5. Step 5: Solve for x
    x = 89,392,434,997,422.58/13,163,642.85
  6. Step 6: Final answer
    x = 6,790,858.43

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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.