Home / 10,126,102.64-13,973,970.72-5,479,884.32

Finding the Fourth Proportional to 10,126,102.64, 13,973,970.72 and 5,479,884.32

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Solution

The fourth proportional to 10,126,102.64, 13,973,970.72 and 5,479,884.32 is: 7,562,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126,102.64 : 13,973,970.72 = 5,479,884.32 : x
  2. Step 2: Convert to fraction form
    10,126,102.64/13,973,970.72 = 5,479,884.32/x
  3. Step 3: Cross multiply
    10,126,102.64x = 13,973,970.72 × 5,479,884.32
  4. Step 4: Simplify right side
    10,126,102.64x = 76,575,743,036,667.12
  5. Step 5: Solve for x
    x = 76,575,743,036,667.12/10,126,102.64
  6. Step 6: Final answer
    x = 7,562,212.80

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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.