Home / 11,128,903.88-15,331,668.20-10,459,288.20

Finding the Fourth Proportional to 11,128,903.88, 15,331,668.20 and 10,459,288.20

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Solution

The fourth proportional to 11,128,903.88, 15,331,668.20 and 10,459,288.20 is: 14,409,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128,903.88 : 15,331,668.20 = 10,459,288.20 : x
  2. Step 2: Convert to fraction form
    11,128,903.88/15,331,668.20 = 10,459,288.20/x
  3. Step 3: Cross multiply
    11,128,903.88x = 15,331,668.20 × 10,459,288.20
  4. Step 4: Simplify right side
    11,128,903.88x = 160,358,336,290,575.22
  5. Step 5: Solve for x
    x = 160,358,336,290,575.22/11,128,903.88
  6. Step 6: Final answer
    x = 14,409,176.14

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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.