Home / 28,058,701.80-42,088,052.70-27,680,788.20

Finding the Fourth Proportional to 28,058,701.80, 42,088,052.70 and 27,680,788.20

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Solution

The fourth proportional to 28,058,701.80, 42,088,052.70 and 27,680,788.20 is: 41,521,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058,701.80 : 42,088,052.70 = 27,680,788.20 : x
  2. Step 2: Convert to fraction form
    28,058,701.80/42,088,052.70 = 27,680,788.20/x
  3. Step 3: Cross multiply
    28,058,701.80x = 42,088,052.70 × 27,680,788.20
  4. Step 4: Simplify right side
    28,058,701.80x = 1,165,030,472,539,138.25
  5. Step 5: Solve for x
    x = 1,165,030,472,539,138.25/28,058,701.80
  6. Step 6: Final answer
    x = 41,521,182.30

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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.