Home / 13,380,207.19-18,464,685.93-7,268,635.69

Finding the Fourth Proportional to 13,380,207.19, 18,464,685.93 and 7,268,635.69

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Solution

The fourth proportional to 13,380,207.19, 18,464,685.93 and 7,268,635.69 is: 10,030,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,207.19 : 18,464,685.93 = 7,268,635.69 : x
  2. Step 2: Convert to fraction form
    13,380,207.19/18,464,685.93 = 7,268,635.69/x
  3. Step 3: Cross multiply
    13,380,207.19x = 18,464,685.93 × 7,268,635.69
  4. Step 4: Simplify right side
    13,380,207.19x = 134,213,075,109,277.12
  5. Step 5: Solve for x
    x = 134,213,075,109,277.12/13,380,207.19
  6. Step 6: Final answer
    x = 10,030,717.25

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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.