Home / 30,311,002.80-41,823,486-17,257,470.48

Finding the Fourth Proportional to 30,311,002.80, 41,823,486 and 17,257,470.48

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Solution

The fourth proportional to 30,311,002.80, 41,823,486 and 17,257,470.48 is: 23,812,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311,002.80 : 41,823,486 = 17,257,470.48 : x
  2. Step 2: Convert to fraction form
    30,311,002.80/41,823,486 = 17,257,470.48/x
  3. Step 3: Cross multiply
    30,311,002.80x = 41,823,486 × 17,257,470.48
  4. Step 4: Simplify right side
    30,311,002.80x = 721,767,575,015,693.25
  5. Step 5: Solve for x
    x = 721,767,575,015,693.25/30,311,002.80
  6. Step 6: Final answer
    x = 23,812,065.20

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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.