Home / 12,811,347.48-17,679,659.52-7,010,129.24

Finding the Fourth Proportional to 12,811,347.48, 17,679,659.52 and 7,010,129.24

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Solution

The fourth proportional to 12,811,347.48, 17,679,659.52 and 7,010,129.24 is: 9,673,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,347.48 : 17,679,659.52 = 7,010,129.24 : x
  2. Step 2: Convert to fraction form
    12,811,347.48/17,679,659.52 = 7,010,129.24/x
  3. Step 3: Cross multiply
    12,811,347.48x = 17,679,659.52 × 7,010,129.24
  4. Step 4: Simplify right side
    12,811,347.48x = 123,936,698,065,998.06
  5. Step 5: Solve for x
    x = 123,936,698,065,998.06/12,811,347.48
  6. Step 6: Final answer
    x = 9,673,978.34

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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.