Home / 20,862,661.67-28,792,196.65-11,573,226.76

Finding the Fourth Proportional to 20,862,661.67, 28,792,196.65 and 11,573,226.76

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Solution

The fourth proportional to 20,862,661.67, 28,792,196.65 and 11,573,226.76 is: 15,972,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,661.67 : 28,792,196.65 = 11,573,226.76 : x
  2. Step 2: Convert to fraction form
    20,862,661.67/28,792,196.65 = 11,573,226.76/x
  3. Step 3: Cross multiply
    20,862,661.67x = 28,792,196.65 × 11,573,226.76
  4. Step 4: Simplify right side
    20,862,661.67x = 333,218,620,691,096.19
  5. Step 5: Solve for x
    x = 333,218,620,691,096.19/20,862,661.67
  6. Step 6: Final answer
    x = 15,972,009.04

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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.