Home / 10,702,207.70-16,079,525.95-8,047,999.70

Finding the Fourth Proportional to 10,702,207.70, 16,079,525.95 and 8,047,999.70

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Solution

The fourth proportional to 10,702,207.70, 16,079,525.95 and 8,047,999.70 is: 12,091,712.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702,207.70 : 16,079,525.95 = 8,047,999.70 : x
  2. Step 2: Convert to fraction form
    10,702,207.70/16,079,525.95 = 8,047,999.70/x
  3. Step 3: Cross multiply
    10,702,207.70x = 16,079,525.95 × 8,047,999.70
  4. Step 4: Simplify right side
    10,702,207.70x = 129,408,020,021,742.22
  5. Step 5: Solve for x
    x = 129,408,020,021,742.22/10,702,207.70
  6. Step 6: Final answer
    x = 12,091,712.63

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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.