Home / 12,898,622.97-19,341,955.73-4,809,426.65

Finding the Fourth Proportional to 12,898,622.97, 19,341,955.73 and 4,809,426.65

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Solution

The fourth proportional to 12,898,622.97, 19,341,955.73 and 4,809,426.65 is: 7,211,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,622.97 : 19,341,955.73 = 4,809,426.65 : x
  2. Step 2: Convert to fraction form
    12,898,622.97/19,341,955.73 = 4,809,426.65/x
  3. Step 3: Cross multiply
    12,898,622.97x = 19,341,955.73 × 4,809,426.65
  4. Step 4: Simplify right side
    12,898,622.97x = 93,023,717,338,828.33
  5. Step 5: Solve for x
    x = 93,023,717,338,828.33/12,898,622.97
  6. Step 6: Final answer
    x = 7,211,910.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.