Home / 11,421,185.64-15,764,765.48-7,346,804.64

Finding the Fourth Proportional to 11,421,185.64, 15,764,765.48 and 7,346,804.64

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Solution

The fourth proportional to 11,421,185.64, 15,764,765.48 and 7,346,804.64 is: 10,140,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421,185.64 : 15,764,765.48 = 7,346,804.64 : x
  2. Step 2: Convert to fraction form
    11,421,185.64/15,764,765.48 = 7,346,804.64/x
  3. Step 3: Cross multiply
    11,421,185.64x = 15,764,765.48 × 7,346,804.64
  4. Step 4: Simplify right side
    11,421,185.64x = 115,820,652,176,975.83
  5. Step 5: Solve for x
    x = 115,820,652,176,975.83/11,421,185.64
  6. Step 6: Final answer
    x = 10,140,860.66

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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.