Home / 19,578,289.11-27,020,530.28-11,843,386.83

Finding the Fourth Proportional to 19,578,289.11, 27,020,530.28 and 11,843,386.83

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Solution

The fourth proportional to 19,578,289.11, 27,020,530.28 and 11,843,386.83 is: 16,345,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578,289.11 : 27,020,530.28 = 11,843,386.83 : x
  2. Step 2: Convert to fraction form
    19,578,289.11/27,020,530.28 = 11,843,386.83/x
  3. Step 3: Cross multiply
    19,578,289.11x = 27,020,530.28 × 11,843,386.83
  4. Step 4: Simplify right side
    19,578,289.11x = 320,014,592,398,551.25
  5. Step 5: Solve for x
    x = 320,014,592,398,551.25/19,578,289.11
  6. Step 6: Final answer
    x = 16,345,380.88

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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.