Home / 35,916,825.80-53,909,064.30-18,889,718.60

Finding the Fourth Proportional to 35,916,825.80, 53,909,064.30 and 18,889,718.60

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Solution

The fourth proportional to 35,916,825.80, 53,909,064.30 and 18,889,718.60 is: 28,352,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,916,825.80 : 53,909,064.30 = 18,889,718.60 : x
  2. Step 2: Convert to fraction form
    35,916,825.80/53,909,064.30 = 18,889,718.60/x
  3. Step 3: Cross multiply
    35,916,825.80x = 53,909,064.30 × 18,889,718.60
  4. Step 4: Simplify right side
    35,916,825.80x = 1,018,327,054,616,306
  5. Step 5: Solve for x
    x = 1,018,327,054,616,306/35,916,825.80
  6. Step 6: Final answer
    x = 28,352,367.78

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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.