Home / 19,681,287.76-27,156,813.48-11,419,456.04

Finding the Fourth Proportional to 19,681,287.76, 27,156,813.48 and 11,419,456.04

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Solution

The fourth proportional to 19,681,287.76, 27,156,813.48 and 11,419,456.04 is: 15,756,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,287.76 : 27,156,813.48 = 11,419,456.04 : x
  2. Step 2: Convert to fraction form
    19,681,287.76/27,156,813.48 = 11,419,456.04/x
  3. Step 3: Cross multiply
    19,681,287.76x = 27,156,813.48 × 11,419,456.04
  4. Step 4: Simplify right side
    19,681,287.76x = 310,116,037,655,270.50
  5. Step 5: Solve for x
    x = 310,116,037,655,270.50/19,681,287.76
  6. Step 6: Final answer
    x = 15,756,897.69

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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.