Home / 19,857,666.06-27,403,416.45-11,155,655.43

Finding the Fourth Proportional to 19,857,666.06, 27,403,416.45 and 11,155,655.43

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Solution

The fourth proportional to 19,857,666.06, 27,403,416.45 and 11,155,655.43 is: 15,394,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857,666.06 : 27,403,416.45 = 11,155,655.43 : x
  2. Step 2: Convert to fraction form
    19,857,666.06/27,403,416.45 = 11,155,655.43/x
  3. Step 3: Cross multiply
    19,857,666.06x = 27,403,416.45 × 11,155,655.43
  4. Step 4: Simplify right side
    19,857,666.06x = 305,703,071,520,993.81
  5. Step 5: Solve for x
    x = 305,703,071,520,993.81/19,857,666.06
  6. Step 6: Final answer
    x = 15,394,713.08

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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.