Home / 30,809,518.08-42,518,463.24-17,058,482.10

Finding the Fourth Proportional to 30,809,518.08, 42,518,463.24 and 17,058,482.10

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Solution

The fourth proportional to 30,809,518.08, 42,518,463.24 and 17,058,482.10 is: 23,541,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,518.08 : 42,518,463.24 = 17,058,482.10 : x
  2. Step 2: Convert to fraction form
    30,809,518.08/42,518,463.24 = 17,058,482.10/x
  3. Step 3: Cross multiply
    30,809,518.08x = 42,518,463.24 × 17,058,482.10
  4. Step 4: Simplify right side
    30,809,518.08x = 725,300,444,099,048.12
  5. Step 5: Solve for x
    x = 725,300,444,099,048.12/30,809,518.08
  6. Step 6: Final answer
    x = 23,541,440.74

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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.