Home / 19,188,729.29-28,774,900.89-11,107,283.15

Finding the Fourth Proportional to 19,188,729.29, 28,774,900.89 and 11,107,283.15

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Solution

The fourth proportional to 19,188,729.29, 28,774,900.89 and 11,107,283.15 is: 16,656,182.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188,729.29 : 28,774,900.89 = 11,107,283.15 : x
  2. Step 2: Convert to fraction form
    19,188,729.29/28,774,900.89 = 11,107,283.15/x
  3. Step 3: Cross multiply
    19,188,729.29x = 28,774,900.89 × 11,107,283.15
  4. Step 4: Simplify right side
    19,188,729.29x = 319,610,971,798,417
  5. Step 5: Solve for x
    x = 319,610,971,798,417/19,188,729.29
  6. Step 6: Final answer
    x = 16,656,182.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.