Home / 30,361,599.36-41,924,537.28-21,686,382.72

Finding the Fourth Proportional to 30,361,599.36, 41,924,537.28 and 21,686,382.72

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Solution

The fourth proportional to 30,361,599.36, 41,924,537.28 and 21,686,382.72 is: 29,945,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361,599.36 : 41,924,537.28 = 21,686,382.72 : x
  2. Step 2: Convert to fraction form
    30,361,599.36/41,924,537.28 = 21,686,382.72/x
  3. Step 3: Cross multiply
    30,361,599.36x = 41,924,537.28 × 21,686,382.72
  4. Step 4: Simplify right side
    30,361,599.36x = 909,191,560,812,987.75
  5. Step 5: Solve for x
    x = 909,191,560,812,987.75/30,361,599.36
  6. Step 6: Final answer
    x = 29,945,443.59

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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.