Home / 38,013,433.64-52,459,644.83-21,493,203.33

Finding the Fourth Proportional to 38,013,433.64, 52,459,644.83 and 21,493,203.33

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Solution

The fourth proportional to 38,013,433.64, 52,459,644.83 and 21,493,203.33 is: 29,661,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013,433.64 : 52,459,644.83 = 21,493,203.33 : x
  2. Step 2: Convert to fraction form
    38,013,433.64/52,459,644.83 = 21,493,203.33/x
  3. Step 3: Cross multiply
    38,013,433.64x = 52,459,644.83 × 21,493,203.33
  4. Step 4: Simplify right side
    38,013,433.64x = 1,127,525,812,843,307.25
  5. Step 5: Solve for x
    x = 1,127,525,812,843,307.25/38,013,433.64
  6. Step 6: Final answer
    x = 29,661,246.17

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1.5x scale

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.