Home / 10,314,530.40-15,460,496.10-5,188,785.60

Finding the Fourth Proportional to 10,314,530.40, 15,460,496.10 and 5,188,785.60

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Solution

The fourth proportional to 10,314,530.40, 15,460,496.10 and 5,188,785.60 is: 7,777,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314,530.40 : 15,460,496.10 = 5,188,785.60 : x
  2. Step 2: Convert to fraction form
    10,314,530.40/15,460,496.10 = 5,188,785.60/x
  3. Step 3: Cross multiply
    10,314,530.40x = 15,460,496.10 × 5,188,785.60
  4. Step 4: Simplify right side
    10,314,530.40x = 80,221,199,532,536.16
  5. Step 5: Solve for x
    x = 80,221,199,532,536.16/10,314,530.40
  6. Step 6: Final answer
    x = 7,777,494.12

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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.