Home / 13,474,531.70-20,211,797.55-7,406,918.90

Finding the Fourth Proportional to 13,474,531.70, 20,211,797.55 and 7,406,918.90

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Solution

The fourth proportional to 13,474,531.70, 20,211,797.55 and 7,406,918.90 is: 11,110,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474,531.70 : 20,211,797.55 = 7,406,918.90 : x
  2. Step 2: Convert to fraction form
    13,474,531.70/20,211,797.55 = 7,406,918.90/x
  3. Step 3: Cross multiply
    13,474,531.70x = 20,211,797.55 × 7,406,918.90
  4. Step 4: Simplify right side
    13,474,531.70x = 149,707,145,276,068.72
  5. Step 5: Solve for x
    x = 149,707,145,276,068.72/13,474,531.70
  6. Step 6: Final answer
    x = 11,110,378.35

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1.5x scale

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.