Home / 13,999,090.81-19,317,758.83-7,803,863.49

Finding the Fourth Proportional to 13,999,090.81, 19,317,758.83 and 7,803,863.49

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Solution

The fourth proportional to 13,999,090.81, 19,317,758.83 and 7,803,863.49 is: 10,768,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999,090.81 : 19,317,758.83 = 7,803,863.49 : x
  2. Step 2: Convert to fraction form
    13,999,090.81/19,317,758.83 = 7,803,863.49/x
  3. Step 3: Cross multiply
    13,999,090.81x = 19,317,758.83 × 7,803,863.49
  4. Step 4: Simplify right side
    13,999,090.81x = 150,753,152,813,277.38
  5. Step 5: Solve for x
    x = 150,753,152,813,277.38/13,999,090.81
  6. Step 6: Final answer
    x = 10,768,781.69

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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.