Home / 8,763,764.40-13,145,646.60-6,638,000.40

Finding the Fourth Proportional to 8,763,764.40, 13,145,646.60 and 6,638,000.40

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Solution

The fourth proportional to 8,763,764.40, 13,145,646.60 and 6,638,000.40 is: 9,957,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763,764.40 : 13,145,646.60 = 6,638,000.40 : x
  2. Step 2: Convert to fraction form
    8,763,764.40/13,145,646.60 = 6,638,000.40/x
  3. Step 3: Cross multiply
    8,763,764.40x = 13,145,646.60 × 6,638,000.40
  4. Step 4: Simplify right side
    8,763,764.40x = 87,260,807,389,058.64
  5. Step 5: Solve for x
    x = 87,260,807,389,058.64/8,763,764.40
  6. Step 6: Final answer
    x = 9,957,000.60

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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.