Home / 13,064,315.74-18,028,825.77-7,184,329.01

Finding the Fourth Proportional to 13,064,315.74, 18,028,825.77 and 7,184,329.01

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Solution

The fourth proportional to 13,064,315.74, 18,028,825.77 and 7,184,329.01 is: 9,914,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064,315.74 : 18,028,825.77 = 7,184,329.01 : x
  2. Step 2: Convert to fraction form
    13,064,315.74/18,028,825.77 = 7,184,329.01/x
  3. Step 3: Cross multiply
    13,064,315.74x = 18,028,825.77 × 7,184,329.01
  4. Step 4: Simplify right side
    13,064,315.74x = 129,525,016,040,718.66
  5. Step 5: Solve for x
    x = 129,525,016,040,718.66/13,064,315.74
  6. Step 6: Final answer
    x = 9,914,412.56

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1.5x scale

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.