Home / 19,979,385.48-27,571,637.79-10,812,028.23

Finding the Fourth Proportional to 19,979,385.48, 27,571,637.79 and 10,812,028.23

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Solution

The fourth proportional to 19,979,385.48, 27,571,637.79 and 10,812,028.23 is: 14,920,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979,385.48 : 27,571,637.79 = 10,812,028.23 : x
  2. Step 2: Convert to fraction form
    19,979,385.48/27,571,637.79 = 10,812,028.23/x
  3. Step 3: Cross multiply
    19,979,385.48x = 27,571,637.79 × 10,812,028.23
  4. Step 4: Simplify right side
    19,979,385.48x = 298,105,326,132,814.81
  5. Step 5: Solve for x
    x = 298,105,326,132,814.81/19,979,385.48
  6. Step 6: Final answer
    x = 14,920,645.40

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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.