Home / 12,830,112.72-17,705,577.16-7,028,767.44

Finding the Fourth Proportional to 12,830,112.72, 17,705,577.16 and 7,028,767.44

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Solution

The fourth proportional to 12,830,112.72, 17,705,577.16 and 7,028,767.44 is: 9,699,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830,112.72 : 17,705,577.16 = 7,028,767.44 : x
  2. Step 2: Convert to fraction form
    12,830,112.72/17,705,577.16 = 7,028,767.44/x
  3. Step 3: Cross multiply
    12,830,112.72x = 17,705,577.16 × 7,028,767.44
  4. Step 4: Simplify right side
    12,830,112.72x = 124,448,384,248,615.67
  5. Step 5: Solve for x
    x = 124,448,384,248,615.67/12,830,112.72
  6. Step 6: Final answer
    x = 9,699,710.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.