Home / 28,808,328.60-43,212,492.90-18,058,786.20

Finding the Fourth Proportional to 28,808,328.60, 43,212,492.90 and 18,058,786.20

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Solution

The fourth proportional to 28,808,328.60, 43,212,492.90 and 18,058,786.20 is: 27,088,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808,328.60 : 43,212,492.90 = 18,058,786.20 : x
  2. Step 2: Convert to fraction form
    28,808,328.60/43,212,492.90 = 18,058,786.20/x
  3. Step 3: Cross multiply
    28,808,328.60x = 43,212,492.90 × 18,058,786.20
  4. Step 4: Simplify right side
    28,808,328.60x = 780,365,170,450,117.88
  5. Step 5: Solve for x
    x = 780,365,170,450,117.88/28,808,328.60
  6. Step 6: Final answer
    x = 27,088,179.30

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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.