Home / 13,935,789.64-19,231,389.69-7,824,349.36

Finding the Fourth Proportional to 13,935,789.64, 19,231,389.69 and 7,824,349.36

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Solution

The fourth proportional to 13,935,789.64, 19,231,389.69 and 7,824,349.36 is: 10,797,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,789.64 : 19,231,389.69 = 7,824,349.36 : x
  2. Step 2: Convert to fraction form
    13,935,789.64/19,231,389.69 = 7,824,349.36/x
  3. Step 3: Cross multiply
    13,935,789.64x = 19,231,389.69 × 7,824,349.36
  4. Step 4: Simplify right side
    13,935,789.64x = 150,473,111,612,862.12
  5. Step 5: Solve for x
    x = 150,473,111,612,862.12/13,935,789.64
  6. Step 6: Final answer
    x = 10,797,602.11

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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.