Home / 12,987,829.63-19,475,781.09-3,763,705.15

Finding the Fourth Proportional to 12,987,829.63, 19,475,781.09 and 3,763,705.15

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Solution

The fourth proportional to 12,987,829.63, 19,475,781.09 and 3,763,705.15 is: 5,643,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,987,829.63 : 19,475,781.09 = 3,763,705.15 : x
  2. Step 2: Convert to fraction form
    12,987,829.63/19,475,781.09 = 3,763,705.15/x
  3. Step 3: Cross multiply
    12,987,829.63x = 19,475,781.09 × 3,763,705.15
  4. Step 4: Simplify right side
    12,987,829.63x = 73,301,097,588,705.61
  5. Step 5: Solve for x
    x = 73,301,097,588,705.61/12,987,829.63
  6. Step 6: Final answer
    x = 5,643,829.62

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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.