Home / 21,762,001.92-30,019,091.49-13,599,068.16

Finding the Fourth Proportional to 21,762,001.92, 30,019,091.49 and 13,599,068.16

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Solution

The fourth proportional to 21,762,001.92, 30,019,091.49 and 13,599,068.16 is: 18,758,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,001.92 : 30,019,091.49 = 13,599,068.16 : x
  2. Step 2: Convert to fraction form
    21,762,001.92/30,019,091.49 = 13,599,068.16/x
  3. Step 3: Cross multiply
    21,762,001.92x = 30,019,091.49 × 13,599,068.16
  4. Step 4: Simplify right side
    21,762,001.92x = 408,231,671,273,785.94
  5. Step 5: Solve for x
    x = 408,231,671,273,785.94/21,762,001.92
  6. Step 6: Final answer
    x = 18,758,920.84

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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.