Home / 19,859,975.50-27,407,612.85-11,158,164.94

Finding the Fourth Proportional to 19,859,975.50, 27,407,612.85 and 11,158,164.94

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Solution

The fourth proportional to 19,859,975.50, 27,407,612.85 and 11,158,164.94 is: 15,398,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859,975.50 : 27,407,612.85 = 11,158,164.94 : x
  2. Step 2: Convert to fraction form
    19,859,975.50/27,407,612.85 = 11,158,164.94/x
  3. Step 3: Cross multiply
    19,859,975.50x = 27,407,612.85 × 11,158,164.94
  4. Step 4: Simplify right side
    19,859,975.50x = 305,818,664,791,963.50
  5. Step 5: Solve for x
    x = 305,818,664,791,963.50/19,859,975.50
  6. Step 6: Final answer
    x = 15,398,743.31

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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.