Home / 10,778,734.40-16,179,911.40-6,739,782.80

Finding the Fourth Proportional to 10,778,734.40, 16,179,911.40 and 6,739,782.80

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Solution

The fourth proportional to 10,778,734.40, 16,179,911.40 and 6,739,782.80 is: 10,117,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,734.40 : 16,179,911.40 = 6,739,782.80 : x
  2. Step 2: Convert to fraction form
    10,778,734.40/16,179,911.40 = 6,739,782.80/x
  3. Step 3: Cross multiply
    10,778,734.40x = 16,179,911.40 × 6,739,782.80
  4. Step 4: Simplify right side
    10,778,734.40x = 109,049,088,559,243.92
  5. Step 5: Solve for x
    x = 109,049,088,559,243.92/10,778,734.40
  6. Step 6: Final answer
    x = 10,117,058.69

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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.