Home / 13,940,368.88-20,902,434.08-5,410,740.83

Finding the Fourth Proportional to 13,940,368.88, 20,902,434.08 and 5,410,740.83

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Solution

The fourth proportional to 13,940,368.88, 20,902,434.08 and 5,410,740.83 is: 8,112,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940,368.88 : 20,902,434.08 = 5,410,740.83 : x
  2. Step 2: Convert to fraction form
    13,940,368.88/20,902,434.08 = 5,410,740.83/x
  3. Step 3: Cross multiply
    13,940,368.88x = 20,902,434.08 × 5,410,740.83
  4. Step 4: Simplify right side
    13,940,368.88x = 113,097,653,549,630.36
  5. Step 5: Solve for x
    x = 113,097,653,549,630.36/13,940,368.88
  6. Step 6: Final answer
    x = 8,112,959.89

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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.