Home / 15,430,515-23,100,367.44-10,300,219.80

Finding the Fourth Proportional to 15,430,515, 23,100,367.44 and 10,300,219.80

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Solution

The fourth proportional to 15,430,515, 23,100,367.44 and 10,300,219.80 is: 15,420,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430,515 : 23,100,367.44 = 10,300,219.80 : x
  2. Step 2: Convert to fraction form
    15,430,515/23,100,367.44 = 10,300,219.80/x
  3. Step 3: Cross multiply
    15,430,515x = 23,100,367.44 × 10,300,219.80
  4. Step 4: Simplify right side
    15,430,515x = 237,938,862,092,763.34
  5. Step 5: Solve for x
    x = 237,938,862,092,763.34/15,430,515
  6. Step 6: Final answer
    x = 15,420,020.79

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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.