Home / 7,959,659.81-10,986,255.56-7,421,132.93

Finding the Fourth Proportional to 7,959,659.81, 10,986,255.56 and 7,421,132.93

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Solution

The fourth proportional to 7,959,659.81, 10,986,255.56 and 7,421,132.93 is: 10,242,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959,659.81 : 10,986,255.56 = 7,421,132.93 : x
  2. Step 2: Convert to fraction form
    7,959,659.81/10,986,255.56 = 7,421,132.93/x
  3. Step 3: Cross multiply
    7,959,659.81x = 10,986,255.56 × 7,421,132.93
  4. Step 4: Simplify right side
    7,959,659.81x = 81,530,462,931,900.81
  5. Step 5: Solve for x
    x = 81,530,462,931,900.81/7,959,659.81
  6. Step 6: Final answer
    x = 10,242,958.22

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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.