Home / 28,280,351,942.86-39,028,627,663.08-15,593,048,373.46

Finding the Fourth Proportional to 28,280,351,942.86, 39,028,627,663.08 and 15,593,048,373.46

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Solution

The fourth proportional to 28,280,351,942.86, 39,028,627,663.08 and 15,593,048,373.46 is: 21,519,367,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280,351,942.86 : 39,028,627,663.08 = 15,593,048,373.46 : x
  2. Step 2: Convert to fraction form
    28,280,351,942.86/39,028,627,663.08 = 15,593,048,373.46/x
  3. Step 3: Cross multiply
    28,280,351,942.86x = 39,028,627,663.08 × 15,593,048,373.46
  4. Step 4: Simplify right side
    28,280,351,942.86x = 608,575,279,100,165,488,640
  5. Step 5: Solve for x
    x = 608,575,279,100,165,488,640/28,280,351,942.86
  6. Step 6: Final answer
    x = 21,519,367,238.77

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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.