Home / 7,955,497.42-11,939,189.10-5,390,630.80

Finding the Fourth Proportional to 7,955,497.42, 11,939,189.10 and 5,390,630.80

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Solution

The fourth proportional to 7,955,497.42, 11,939,189.10 and 5,390,630.80 is: 8,089,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955,497.42 : 11,939,189.10 = 5,390,630.80 : x
  2. Step 2: Convert to fraction form
    7,955,497.42/11,939,189.10 = 5,390,630.80/x
  3. Step 3: Cross multiply
    7,955,497.42x = 11,939,189.10 × 5,390,630.80
  4. Step 4: Simplify right side
    7,955,497.42x = 64,359,760,489,484.27
  5. Step 5: Solve for x
    x = 64,359,760,489,484.27/7,955,497.42
  6. Step 6: Final answer
    x = 8,089,973.15

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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.