Home / 28,828,647.09-39,826,744.61-18,929,016.63

Finding the Fourth Proportional to 28,828,647.09, 39,826,744.61 and 18,929,016.63

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Solution

The fourth proportional to 28,828,647.09, 39,826,744.61 and 18,929,016.63 is: 26,150,415.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828,647.09 : 39,826,744.61 = 18,929,016.63 : x
  2. Step 2: Convert to fraction form
    28,828,647.09/39,826,744.61 = 18,929,016.63/x
  3. Step 3: Cross multiply
    28,828,647.09x = 39,826,744.61 × 18,929,016.63
  4. Step 4: Simplify right side
    28,828,647.09x = 753,881,110,946,807.62
  5. Step 5: Solve for x
    x = 753,881,110,946,807.62/28,828,647.09
  6. Step 6: Final answer
    x = 26,150,415.89

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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.