Home / 38,554,453.80-57,830,040.45-12,995,422.20

Finding the Fourth Proportional to 38,554,453.80, 57,830,040.45 and 12,995,422.20

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Solution

The fourth proportional to 38,554,453.80, 57,830,040.45 and 12,995,422.20 is: 19,492,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,554,453.80 : 57,830,040.45 = 12,995,422.20 : x
  2. Step 2: Convert to fraction form
    38,554,453.80/57,830,040.45 = 12,995,422.20/x
  3. Step 3: Cross multiply
    38,554,453.80x = 57,830,040.45 × 12,995,422.20
  4. Step 4: Simplify right side
    38,554,453.80x = 751,525,791,490,828
  5. Step 5: Solve for x
    x = 751,525,791,490,828/38,554,453.80
  6. Step 6: Final answer
    x = 19,492,580.43

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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.