Home / 5,376,138.40-8,064,207.60-4,946,903.20

Finding the Fourth Proportional to 5,376,138.40, 8,064,207.60 and 4,946,903.20

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Solution

The fourth proportional to 5,376,138.40, 8,064,207.60 and 4,946,903.20 is: 7,420,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,138.40 : 8,064,207.60 = 4,946,903.20 : x
  2. Step 2: Convert to fraction form
    5,376,138.40/8,064,207.60 = 4,946,903.20/x
  3. Step 3: Cross multiply
    5,376,138.40x = 8,064,207.60 × 4,946,903.20
  4. Step 4: Simplify right side
    5,376,138.40x = 39,892,854,381,904.32
  5. Step 5: Solve for x
    x = 39,892,854,381,904.32/5,376,138.40
  6. Step 6: Final answer
    x = 7,420,354.80

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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.