Home / 40,421,729.40-60,670,647.90-21,266,233.80

Finding the Fourth Proportional to 40,421,729.40, 60,670,647.90 and 21,266,233.80

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Solution

The fourth proportional to 40,421,729.40, 60,670,647.90 and 21,266,233.80 is: 31,919,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421,729.40 : 60,670,647.90 = 21,266,233.80 : x
  2. Step 2: Convert to fraction form
    40,421,729.40/60,670,647.90 = 21,266,233.80/x
  3. Step 3: Cross multiply
    40,421,729.40x = 60,670,647.90 × 21,266,233.80
  4. Step 4: Simplify right side
    40,421,729.40x = 1,290,236,183,038,879
  5. Step 5: Solve for x
    x = 1,290,236,183,038,879/40,421,729.40
  6. Step 6: Final answer
    x = 31,919,371.14

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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.