Home / 12,547,203.30-18,778,814.55-8,768,067.30

Finding the Fourth Proportional to 12,547,203.30, 18,778,814.55 and 8,768,067.30

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Solution

The fourth proportional to 12,547,203.30, 18,778,814.55 and 8,768,067.30 is: 13,122,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,203.30 : 18,778,814.55 = 8,768,067.30 : x
  2. Step 2: Convert to fraction form
    12,547,203.30/18,778,814.55 = 8,768,067.30/x
  3. Step 3: Cross multiply
    12,547,203.30x = 18,778,814.55 × 8,768,067.30
  4. Step 4: Simplify right side
    12,547,203.30x = 164,653,909,788,619.25
  5. Step 5: Solve for x
    x = 164,653,909,788,619.25/12,547,203.30
  6. Step 6: Final answer
    x = 13,122,757.79

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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.