Home / 20,738,502,057.59-28,619,223,017.72-11,223,054,642.54

Finding the Fourth Proportional to 20,738,502,057.59, 28,619,223,017.72 and 11,223,054,642.54

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Solution

The fourth proportional to 20,738,502,057.59, 28,619,223,017.72 and 11,223,054,642.54 is: 15,487,864,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,738,502,057.59 : 28,619,223,017.72 = 11,223,054,642.54 : x
  2. Step 2: Convert to fraction form
    20,738,502,057.59/28,619,223,017.72 = 11,223,054,642.54/x
  3. Step 3: Cross multiply
    20,738,502,057.59x = 28,619,223,017.72 × 11,223,054,642.54
  4. Step 4: Simplify right side
    20,738,502,057.59x = 321,195,103,754,854,006,784
  5. Step 5: Solve for x
    x = 321,195,103,754,854,006,784/20,738,502,057.59
  6. Step 6: Final answer
    x = 15,487,864,208.47

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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.