Home / 38,697,543.36-53,400,997.13-21,056,515.19

Finding the Fourth Proportional to 38,697,543.36, 53,400,997.13 and 21,056,515.19

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Solution

The fourth proportional to 38,697,543.36, 53,400,997.13 and 21,056,515.19 is: 29,057,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,697,543.36 : 53,400,997.13 = 21,056,515.19 : x
  2. Step 2: Convert to fraction form
    38,697,543.36/53,400,997.13 = 21,056,515.19/x
  3. Step 3: Cross multiply
    38,697,543.36x = 53,400,997.13 × 21,056,515.19
  4. Step 4: Simplify right side
    38,697,543.36x = 1,124,438,907,228,991.50
  5. Step 5: Solve for x
    x = 1,124,438,907,228,991.50/38,697,543.36
  6. Step 6: Final answer
    x = 29,057,113.44

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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.