Home / 9,731,980.40-13,429,590.24-5,380,805.36

Finding the Fourth Proportional to 9,731,980.40, 13,429,590.24 and 5,380,805.36

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Solution

The fourth proportional to 9,731,980.40, 13,429,590.24 and 5,380,805.36 is: 7,425,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731,980.40 : 13,429,590.24 = 5,380,805.36 : x
  2. Step 2: Convert to fraction form
    9,731,980.40/13,429,590.24 = 5,380,805.36/x
  3. Step 3: Cross multiply
    9,731,980.40x = 13,429,590.24 × 5,380,805.36
  4. Step 4: Simplify right side
    9,731,980.40x = 72,262,011,145,995.69
  5. Step 5: Solve for x
    x = 72,262,011,145,995.69/9,731,980.40
  6. Step 6: Final answer
    x = 7,425,211.33

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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.