Home / 21,809,705.46-30,096,165.54-12,020,119.38

Finding the Fourth Proportional to 21,809,705.46, 30,096,165.54 and 12,020,119.38

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Solution

The fourth proportional to 21,809,705.46, 30,096,165.54 and 12,020,119.38 is: 16,587,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809,705.46 : 30,096,165.54 = 12,020,119.38 : x
  2. Step 2: Convert to fraction form
    21,809,705.46/30,096,165.54 = 12,020,119.38/x
  3. Step 3: Cross multiply
    21,809,705.46x = 30,096,165.54 × 12,020,119.38
  4. Step 4: Simplify right side
    21,809,705.46x = 361,759,502,671,042.19
  5. Step 5: Solve for x
    x = 361,759,502,671,042.19/21,809,705.46
  6. Step 6: Final answer
    x = 16,587,087.95

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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.