Home / 7,955,491.42-11,939,180.10-5,390,624.80

Finding the Fourth Proportional to 7,955,491.42, 11,939,180.10 and 5,390,624.80

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Solution

The fourth proportional to 7,955,491.42, 11,939,180.10 and 5,390,624.80 is: 8,089,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955,491.42 : 11,939,180.10 = 5,390,624.80 : x
  2. Step 2: Convert to fraction form
    7,955,491.42/11,939,180.10 = 5,390,624.80/x
  3. Step 3: Cross multiply
    7,955,491.42x = 11,939,180.10 × 5,390,624.80
  4. Step 4: Simplify right side
    7,955,491.42x = 64,359,640,338,726.48
  5. Step 5: Solve for x
    x = 64,359,640,338,726.48/7,955,491.42
  6. Step 6: Final answer
    x = 8,089,964.14

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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.