Home / 19,830,066.95-27,368,165.07-11,128,717.03

Finding the Fourth Proportional to 19,830,066.95, 27,368,165.07 and 11,128,717.03

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Solution

The fourth proportional to 19,830,066.95, 27,368,165.07 and 11,128,717.03 is: 15,359,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830,066.95 : 27,368,165.07 = 11,128,717.03 : x
  2. Step 2: Convert to fraction form
    19,830,066.95/27,368,165.07 = 11,128,717.03/x
  3. Step 3: Cross multiply
    19,830,066.95x = 27,368,165.07 × 11,128,717.03
  4. Step 4: Simplify right side
    19,830,066.95x = 304,572,564,638,716.56
  5. Step 5: Solve for x
    x = 304,572,564,638,716.56/19,830,066.95
  6. Step 6: Final answer
    x = 15,359,129.42

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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.