Home / 19,813,805.79-27,346,040.76-12,083,332.20

Finding the Fourth Proportional to 19,813,805.79, 27,346,040.76 and 12,083,332.20

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Solution

The fourth proportional to 19,813,805.79, 27,346,040.76 and 12,083,332.20 is: 16,676,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813,805.79 : 27,346,040.76 = 12,083,332.20 : x
  2. Step 2: Convert to fraction form
    19,813,805.79/27,346,040.76 = 12,083,332.20/x
  3. Step 3: Cross multiply
    19,813,805.79x = 27,346,040.76 × 12,083,332.20
  4. Step 4: Simplify right side
    19,813,805.79x = 330,431,294,857,820.50
  5. Step 5: Solve for x
    x = 330,431,294,857,820.50/19,813,805.79
  6. Step 6: Final answer
    x = 16,676,821.12

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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.