Home / 30,809,341.98-42,518,220.21-17,058,305.70

Finding the Fourth Proportional to 30,809,341.98, 42,518,220.21 and 17,058,305.70

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Solution

The fourth proportional to 30,809,341.98, 42,518,220.21 and 17,058,305.70 is: 23,541,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,341.98 : 42,518,220.21 = 17,058,305.70 : x
  2. Step 2: Convert to fraction form
    30,809,341.98/42,518,220.21 = 17,058,305.70/x
  3. Step 3: Cross multiply
    30,809,341.98x = 42,518,220.21 × 17,058,305.70
  4. Step 4: Simplify right side
    30,809,341.98x = 725,288,798,162,098.12
  5. Step 5: Solve for x
    x = 725,288,798,162,098.12/30,809,341.98
  6. Step 6: Final answer
    x = 23,541,197.30

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Double scale
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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.