Home / 13,440,454.80-20,160,682.20-4,921,069.20

Finding the Fourth Proportional to 13,440,454.80, 20,160,682.20 and 4,921,069.20

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Solution

The fourth proportional to 13,440,454.80, 20,160,682.20 and 4,921,069.20 is: 7,381,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,454.80 : 20,160,682.20 = 4,921,069.20 : x
  2. Step 2: Convert to fraction form
    13,440,454.80/20,160,682.20 = 4,921,069.20/x
  3. Step 3: Cross multiply
    13,440,454.80x = 20,160,682.20 × 4,921,069.20
  4. Step 4: Simplify right side
    13,440,454.80x = 99,212,112,225,408.23
  5. Step 5: Solve for x
    x = 99,212,112,225,408.23/13,440,454.80
  6. Step 6: Final answer
    x = 7,381,603.80

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1.5x scale

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.