Home / 12,809,798.98-19,215,065.46-5,028,389.41

Finding the Fourth Proportional to 12,809,798.98, 19,215,065.46 and 5,028,389.41

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Solution

The fourth proportional to 12,809,798.98, 19,215,065.46 and 5,028,389.41 is: 7,542,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,798.98 : 19,215,065.46 = 5,028,389.41 : x
  2. Step 2: Convert to fraction form
    12,809,798.98/19,215,065.46 = 5,028,389.41/x
  3. Step 3: Cross multiply
    12,809,798.98x = 19,215,065.46 × 5,028,389.41
  4. Step 4: Simplify right side
    12,809,798.98x = 96,620,831,671,520.78
  5. Step 5: Solve for x
    x = 96,620,831,671,520.78/12,809,798.98
  6. Step 6: Final answer
    x = 7,542,728.17

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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.