Home / 13,260,012.80-19,904,764.80-8,217,017.60

Finding the Fourth Proportional to 13,260,012.80, 19,904,764.80 and 8,217,017.60

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Solution

The fourth proportional to 13,260,012.80, 19,904,764.80 and 8,217,017.60 is: 12,334,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,012.80 : 19,904,764.80 = 8,217,017.60 : x
  2. Step 2: Convert to fraction form
    13,260,012.80/19,904,764.80 = 8,217,017.60/x
  3. Step 3: Cross multiply
    13,260,012.80x = 19,904,764.80 × 8,217,017.60
  4. Step 4: Simplify right side
    13,260,012.80x = 163,557,802,685,460.47
  5. Step 5: Solve for x
    x = 163,557,802,685,460.47/13,260,012.80
  6. Step 6: Final answer
    x = 12,334,664.01

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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.