Home / 7,679,256.40-11,516,785.07-2,886,577.12

Finding the Fourth Proportional to 7,679,256.40, 11,516,785.07 and 2,886,577.12

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Solution

The fourth proportional to 7,679,256.40, 11,516,785.07 and 2,886,577.12 is: 4,329,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,256.40 : 11,516,785.07 = 2,886,577.12 : x
  2. Step 2: Convert to fraction form
    7,679,256.40/11,516,785.07 = 2,886,577.12/x
  3. Step 3: Cross multiply
    7,679,256.40x = 11,516,785.07 × 2,886,577.12
  4. Step 4: Simplify right side
    7,679,256.40x = 33,244,088,279,019.60
  5. Step 5: Solve for x
    x = 33,244,088,279,019.60/7,679,256.40
  6. Step 6: Final answer
    x = 4,329,076.48

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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.