Home / 13,558,605.48-18,712,029.48-7,679,285.52

Finding the Fourth Proportional to 13,558,605.48, 18,712,029.48 and 7,679,285.52

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Solution

The fourth proportional to 13,558,605.48, 18,712,029.48 and 7,679,285.52 is: 10,598,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,605.48 : 18,712,029.48 = 7,679,285.52 : x
  2. Step 2: Convert to fraction form
    13,558,605.48/18,712,029.48 = 7,679,285.52/x
  3. Step 3: Cross multiply
    13,558,605.48x = 18,712,029.48 × 7,679,285.52
  4. Step 4: Simplify right side
    13,558,605.48x = 143,695,017,035,577.12
  5. Step 5: Solve for x
    x = 143,695,017,035,577.12/13,558,605.48
  6. Step 6: Final answer
    x = 10,598,067.57

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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.