Home / 10,876,870.13-16,315,068.21-5,116,410.86

Finding the Fourth Proportional to 10,876,870.13, 16,315,068.21 and 5,116,410.86

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Solution

The fourth proportional to 10,876,870.13, 16,315,068.21 and 5,116,410.86 is: 7,674,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876,870.13 : 16,315,068.21 = 5,116,410.86 : x
  2. Step 2: Convert to fraction form
    10,876,870.13/16,315,068.21 = 5,116,410.86/x
  3. Step 3: Cross multiply
    10,876,870.13x = 16,315,068.21 × 5,116,410.86
  4. Step 4: Simplify right side
    10,876,870.13x = 83,474,592,089,709.44
  5. Step 5: Solve for x
    x = 83,474,592,089,709.44/10,876,870.13
  6. Step 6: Final answer
    x = 7,674,504.81

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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.