Home / 13,862,858.36-19,129,460.63-7,667,771.72

Finding the Fourth Proportional to 13,862,858.36, 19,129,460.63 and 7,667,771.72

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Solution

The fourth proportional to 13,862,858.36, 19,129,460.63 and 7,667,771.72 is: 10,580,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862,858.36 : 19,129,460.63 = 7,667,771.72 : x
  2. Step 2: Convert to fraction form
    13,862,858.36/19,129,460.63 = 7,667,771.72/x
  3. Step 3: Cross multiply
    13,862,858.36x = 19,129,460.63 × 7,667,771.72
  4. Step 4: Simplify right side
    13,862,858.36x = 146,680,337,103,581.22
  5. Step 5: Solve for x
    x = 146,680,337,103,581.22/13,862,858.36
  6. Step 6: Final answer
    x = 10,580,814.82

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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.