Home / 21,059,365.98-31,590,976.77-5,913,195.42

Finding the Fourth Proportional to 21,059,365.98, 31,590,976.77 and 5,913,195.42

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Solution

The fourth proportional to 21,059,365.98, 31,590,976.77 and 5,913,195.42 is: 8,870,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059,365.98 : 31,590,976.77 = 5,913,195.42 : x
  2. Step 2: Convert to fraction form
    21,059,365.98/31,590,976.77 = 5,913,195.42/x
  3. Step 3: Cross multiply
    21,059,365.98x = 31,590,976.77 × 5,913,195.42
  4. Step 4: Simplify right side
    21,059,365.98x = 186,803,619,149,690.38
  5. Step 5: Solve for x
    x = 186,803,619,149,690.38/21,059,365.98
  6. Step 6: Final answer
    x = 8,870,334.43

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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.