Home / 21,790,712.68-30,072,542.84-12,001,154.34

Finding the Fourth Proportional to 21,790,712.68, 30,072,542.84 and 12,001,154.34

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Solution

The fourth proportional to 21,790,712.68, 30,072,542.84 and 12,001,154.34 is: 16,562,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790,712.68 : 30,072,542.84 = 12,001,154.34 : x
  2. Step 2: Convert to fraction form
    21,790,712.68/30,072,542.84 = 12,001,154.34/x
  3. Step 3: Cross multiply
    21,790,712.68x = 30,072,542.84 × 12,001,154.34
  4. Step 4: Simplify right side
    21,790,712.68x = 360,905,228,019,101.94
  5. Step 5: Solve for x
    x = 360,905,228,019,101.94/21,790,712.68
  6. Step 6: Final answer
    x = 16,562,341.64

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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.