Home / 19,813,806.79-27,346,042.14-12,083,333.20

Finding the Fourth Proportional to 19,813,806.79, 27,346,042.14 and 12,083,333.20

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Solution

The fourth proportional to 19,813,806.79, 27,346,042.14 and 12,083,333.20 is: 16,676,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813,806.79 : 27,346,042.14 = 12,083,333.20 : x
  2. Step 2: Convert to fraction form
    19,813,806.79/27,346,042.14 = 12,083,333.20/x
  3. Step 3: Cross multiply
    19,813,806.79x = 27,346,042.14 × 12,083,333.20
  4. Step 4: Simplify right side
    19,813,806.79x = 330,431,338,878,861.06
  5. Step 5: Solve for x
    x = 330,431,338,878,861.06/19,813,806.79
  6. Step 6: Final answer
    x = 16,676,822.50

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1.5x scale

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.