Home / 19,808,378.78-27,335,842.43-11,966,801.00

Finding the Fourth Proportional to 19,808,378.78, 27,335,842.43 and 11,966,801.00

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Solution

The fourth proportional to 19,808,378.78, 27,335,842.43 and 11,966,801.00 is: 16,514,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808,378.78 : 27,335,842.43 = 11,966,801.00 : x
  2. Step 2: Convert to fraction form
    19,808,378.78/27,335,842.43 = 11,966,801.00/x
  3. Step 3: Cross multiply
    19,808,378.78x = 27,335,842.43 × 11,966,801.00
  4. Step 4: Simplify right side
    19,808,378.78x = 327,122,586,330,653.19
  5. Step 5: Solve for x
    x = 327,122,586,330,653.19/19,808,378.78
  6. Step 6: Final answer
    x = 16,514,354.36

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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.