Home / 21,048,149.63-31,572,224.45-5,091,797.63

Finding the Fourth Proportional to 21,048,149.63, 31,572,224.45 and 5,091,797.63

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Solution

The fourth proportional to 21,048,149.63, 31,572,224.45 and 5,091,797.63 is: 7,637,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048,149.63 : 31,572,224.45 = 5,091,797.63 : x
  2. Step 2: Convert to fraction form
    21,048,149.63/31,572,224.45 = 5,091,797.63/x
  3. Step 3: Cross multiply
    21,048,149.63x = 31,572,224.45 × 5,091,797.63
  4. Step 4: Simplify right side
    21,048,149.63x = 160,759,377,445,017.94
  5. Step 5: Solve for x
    x = 160,759,377,445,017.94/21,048,149.63
  6. Step 6: Final answer
    x = 7,637,696.44

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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.