Home / 13,901,817.20-19,184,322.49-7,790,365.04

Finding the Fourth Proportional to 13,901,817.20, 19,184,322.49 and 7,790,365.04

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Solution

The fourth proportional to 13,901,817.20, 19,184,322.49 and 7,790,365.04 is: 10,750,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901,817.20 : 19,184,322.49 = 7,790,365.04 : x
  2. Step 2: Convert to fraction form
    13,901,817.20/19,184,322.49 = 7,790,365.04/x
  3. Step 3: Cross multiply
    13,901,817.20x = 19,184,322.49 × 7,790,365.04
  4. Step 4: Simplify right side
    13,901,817.20x = 149,452,875,126,784.22
  5. Step 5: Solve for x
    x = 149,452,875,126,784.22/13,901,817.20
  6. Step 6: Final answer
    x = 10,750,599.94

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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.