Home / 19,487,047.20-29,230,570.80-5,110,087.20

Finding the Fourth Proportional to 19,487,047.20, 29,230,570.80 and 5,110,087.20

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Solution

The fourth proportional to 19,487,047.20, 29,230,570.80 and 5,110,087.20 is: 7,665,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487,047.20 : 29,230,570.80 = 5,110,087.20 : x
  2. Step 2: Convert to fraction form
    19,487,047.20/29,230,570.80 = 5,110,087.20/x
  3. Step 3: Cross multiply
    19,487,047.20x = 29,230,570.80 × 5,110,087.20
  4. Step 4: Simplify right side
    19,487,047.20x = 149,370,765,693,773.78
  5. Step 5: Solve for x
    x = 149,370,765,693,773.78/19,487,047.20
  6. Step 6: Final answer
    x = 7,665,130.80

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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.