Home / 13,064,309.28-18,028,816.93-7,184,322.66

Finding the Fourth Proportional to 13,064,309.28, 18,028,816.93 and 7,184,322.66

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Solution

The fourth proportional to 13,064,309.28, 18,028,816.93 and 7,184,322.66 is: 9,914,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064,309.28 : 18,028,816.93 = 7,184,322.66 : x
  2. Step 2: Convert to fraction form
    13,064,309.28/18,028,816.93 = 7,184,322.66/x
  3. Step 3: Cross multiply
    13,064,309.28x = 18,028,816.93 × 7,184,322.66
  4. Step 4: Simplify right side
    13,064,309.28x = 129,524,837,895,085.73
  5. Step 5: Solve for x
    x = 129,524,837,895,085.73/13,064,309.28
  6. Step 6: Final answer
    x = 9,914,403.82

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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.