Home / 13,901,817.07-19,184,322.31-7,790,364.91

Finding the Fourth Proportional to 13,901,817.07, 19,184,322.31 and 7,790,364.91

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Solution

The fourth proportional to 13,901,817.07, 19,184,322.31 and 7,790,364.91 is: 10,750,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901,817.07 : 19,184,322.31 = 7,790,364.91 : x
  2. Step 2: Convert to fraction form
    13,901,817.07/19,184,322.31 = 7,790,364.91/x
  3. Step 3: Cross multiply
    13,901,817.07x = 19,184,322.31 × 7,790,364.91
  4. Step 4: Simplify right side
    13,901,817.07x = 149,452,871,345,954.12
  5. Step 5: Solve for x
    x = 149,452,871,345,954.12/13,901,817.07
  6. Step 6: Final answer
    x = 10,750,599.77

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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.