Home / 13,319,690.26-19,971,444.84-5,222,965.90

Finding the Fourth Proportional to 13,319,690.26, 19,971,444.84 and 5,222,965.90

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Solution

The fourth proportional to 13,319,690.26, 19,971,444.84 and 5,222,965.90 is: 7,831,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,690.26 : 19,971,444.84 = 5,222,965.90 : x
  2. Step 2: Convert to fraction form
    13,319,690.26/19,971,444.84 = 5,222,965.90/x
  3. Step 3: Cross multiply
    13,319,690.26x = 19,971,444.84 × 5,222,965.90
  4. Step 4: Simplify right side
    13,319,690.26x = 104,310,175,373,050.97
  5. Step 5: Solve for x
    x = 104,310,175,373,050.97/13,319,690.26
  6. Step 6: Final answer
    x = 7,831,276.35

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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.