Home / 30,809,602.08-42,518,579.40-17,058,566.16

Finding the Fourth Proportional to 30,809,602.08, 42,518,579.40 and 17,058,566.16

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Solution

The fourth proportional to 30,809,602.08, 42,518,579.40 and 17,058,566.16 is: 23,541,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,602.08 : 42,518,579.40 = 17,058,566.16 : x
  2. Step 2: Convert to fraction form
    30,809,602.08/42,518,579.40 = 17,058,566.16/x
  3. Step 3: Cross multiply
    30,809,602.08x = 42,518,579.40 × 17,058,566.16
  4. Step 4: Simplify right side
    30,809,602.08x = 725,305,999,724,113.12
  5. Step 5: Solve for x
    x = 725,305,999,724,113.12/30,809,602.08
  6. Step 6: Final answer
    x = 23,541,556.88

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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.