Home / 14,626,797.39-20,175,261.21-9,406,405.71

Finding the Fourth Proportional to 14,626,797.39, 20,175,261.21 and 9,406,405.71

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Solution

The fourth proportional to 14,626,797.39, 20,175,261.21 and 9,406,405.71 is: 12,974,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626,797.39 : 20,175,261.21 = 9,406,405.71 : x
  2. Step 2: Convert to fraction form
    14,626,797.39/20,175,261.21 = 9,406,405.71/x
  3. Step 3: Cross multiply
    14,626,797.39x = 20,175,261.21 × 9,406,405.71
  4. Step 4: Simplify right side
    14,626,797.39x = 189,776,692,246,485.53
  5. Step 5: Solve for x
    x = 189,776,692,246,485.53/14,626,797.39
  6. Step 6: Final answer
    x = 12,974,589.53

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1.5x scale

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.