Home / 7,239,421.78-10,859,128.82-1,848,070.28

Finding the Fourth Proportional to 7,239,421.78, 10,859,128.82 and 1,848,070.28

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Solution

The fourth proportional to 7,239,421.78, 10,859,128.82 and 1,848,070.28 is: 2,772,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,421.78 : 10,859,128.82 = 1,848,070.28 : x
  2. Step 2: Convert to fraction form
    7,239,421.78/10,859,128.82 = 1,848,070.28/x
  3. Step 3: Cross multiply
    7,239,421.78x = 10,859,128.82 × 1,848,070.28
  4. Step 4: Simplify right side
    7,239,421.78x = 20,068,433,263,771.20
  5. Step 5: Solve for x
    x = 20,068,433,263,771.20/7,239,421.78
  6. Step 6: Final answer
    x = 2,772,104.44

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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.