Home / 13,388,373.24-18,476,077.50-7,276,817.40

Finding the Fourth Proportional to 13,388,373.24, 18,476,077.50 and 7,276,817.40

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Solution

The fourth proportional to 13,388,373.24, 18,476,077.50 and 7,276,817.40 is: 10,042,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,373.24 : 18,476,077.50 = 7,276,817.40 : x
  2. Step 2: Convert to fraction form
    13,388,373.24/18,476,077.50 = 7,276,817.40/x
  3. Step 3: Cross multiply
    13,388,373.24x = 18,476,077.50 × 7,276,817.40
  4. Step 4: Simplify right side
    13,388,373.24x = 134,447,042,235,748.50
  5. Step 5: Solve for x
    x = 134,447,042,235,748.50/13,388,373.24
  6. Step 6: Final answer
    x = 10,042,074.55

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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.