Home / 15,173,526.36-20,941,944.28-11,279,146.40

Finding the Fourth Proportional to 15,173,526.36, 20,941,944.28 and 11,279,146.40

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Solution

The fourth proportional to 15,173,526.36, 20,941,944.28 and 11,279,146.40 is: 15,567,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173,526.36 : 20,941,944.28 = 11,279,146.40 : x
  2. Step 2: Convert to fraction form
    15,173,526.36/20,941,944.28 = 11,279,146.40/x
  3. Step 3: Cross multiply
    15,173,526.36x = 20,941,944.28 × 11,279,146.40
  4. Step 4: Simplify right side
    15,173,526.36x = 236,207,255,434,762.62
  5. Step 5: Solve for x
    x = 236,207,255,434,762.62/15,173,526.36
  6. Step 6: Final answer
    x = 15,567,063.97

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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.