Home / 13,011,418.96-17,955,864.48-7,210,297.60

Finding the Fourth Proportional to 13,011,418.96, 17,955,864.48 and 7,210,297.60

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Solution

The fourth proportional to 13,011,418.96, 17,955,864.48 and 7,210,297.60 is: 9,950,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,418.96 : 17,955,864.48 = 7,210,297.60 : x
  2. Step 2: Convert to fraction form
    13,011,418.96/17,955,864.48 = 7,210,297.60/x
  3. Step 3: Cross multiply
    13,011,418.96x = 17,955,864.48 × 7,210,297.60
  4. Step 4: Simplify right side
    13,011,418.96x = 129,467,126,566,069.25
  5. Step 5: Solve for x
    x = 129,467,126,566,069.25/13,011,418.96
  6. Step 6: Final answer
    x = 9,950,269.60

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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.