Home / 38,436,459.02-53,042,311.32-21,032,806.34

Finding the Fourth Proportional to 38,436,459.02, 53,042,311.32 and 21,032,806.34

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Solution

The fourth proportional to 38,436,459.02, 53,042,311.32 and 21,032,806.34 is: 29,025,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,436,459.02 : 53,042,311.32 = 21,032,806.34 : x
  2. Step 2: Convert to fraction form
    38,436,459.02/53,042,311.32 = 21,032,806.34/x
  3. Step 3: Cross multiply
    38,436,459.02x = 53,042,311.32 × 21,032,806.34
  4. Step 4: Simplify right side
    38,436,459.02x = 1,115,628,661,819,549.75
  5. Step 5: Solve for x
    x = 1,115,628,661,819,549.75/38,436,459.02
  6. Step 6: Final answer
    x = 29,025,271.58

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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.