Home / 12,716,347.28-17,549,019.72-7,284,889.04

Finding the Fourth Proportional to 12,716,347.28, 17,549,019.72 and 7,284,889.04

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Solution

The fourth proportional to 12,716,347.28, 17,549,019.72 and 7,284,889.04 is: 10,053,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716,347.28 : 17,549,019.72 = 7,284,889.04 : x
  2. Step 2: Convert to fraction form
    12,716,347.28/17,549,019.72 = 7,284,889.04/x
  3. Step 3: Cross multiply
    12,716,347.28x = 17,549,019.72 × 7,284,889.04
  4. Step 4: Simplify right side
    12,716,347.28x = 127,842,661,420,971.86
  5. Step 5: Solve for x
    x = 127,842,661,420,971.86/12,716,347.28
  6. Step 6: Final answer
    x = 10,053,410.67

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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.