Home / 31,058,657.12-42,862,864.43-17,119,980.79

Finding the Fourth Proportional to 31,058,657.12, 42,862,864.43 and 17,119,980.79

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Solution

The fourth proportional to 31,058,657.12, 42,862,864.43 and 17,119,980.79 is: 23,626,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,058,657.12 : 42,862,864.43 = 17,119,980.79 : x
  2. Step 2: Convert to fraction form
    31,058,657.12/42,862,864.43 = 17,119,980.79/x
  3. Step 3: Cross multiply
    31,058,657.12x = 42,862,864.43 × 17,119,980.79
  4. Step 4: Simplify right side
    31,058,657.12x = 733,811,415,645,974.25
  5. Step 5: Solve for x
    x = 733,811,415,645,974.25/31,058,657.12
  6. Step 6: Final answer
    x = 23,626,630.50

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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.