Home / 13,408,216.80-20,112,325.20-4,894,663.20

Finding the Fourth Proportional to 13,408,216.80, 20,112,325.20 and 4,894,663.20

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Solution

The fourth proportional to 13,408,216.80, 20,112,325.20 and 4,894,663.20 is: 7,341,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,216.80 : 20,112,325.20 = 4,894,663.20 : x
  2. Step 2: Convert to fraction form
    13,408,216.80/20,112,325.20 = 4,894,663.20/x
  3. Step 3: Cross multiply
    13,408,216.80x = 20,112,325.20 × 4,894,663.20
  4. Step 4: Simplify right side
    13,408,216.80x = 98,443,058,022,872.64
  5. Step 5: Solve for x
    x = 98,443,058,022,872.64/13,408,216.80
  6. Step 6: Final answer
    x = 7,341,994.80

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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.