Home / 13,254,820.80-19,881,064.80-3,669,345.60

Finding the Fourth Proportional to 13,254,820.80, 19,881,064.80 and 3,669,345.60

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Solution

The fourth proportional to 13,254,820.80, 19,881,064.80 and 3,669,345.60 is: 5,503,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254,820.80 : 19,881,064.80 = 3,669,345.60 : x
  2. Step 2: Convert to fraction form
    13,254,820.80/19,881,064.80 = 3,669,345.60/x
  3. Step 3: Cross multiply
    13,254,820.80x = 19,881,064.80 × 3,669,345.60
  4. Step 4: Simplify right side
    13,254,820.80x = 72,950,497,647,194.89
  5. Step 5: Solve for x
    x = 72,950,497,647,194.89/13,254,820.80
  6. Step 6: Final answer
    x = 5,503,695.50

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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.