Home / 12,291,316.56-16,962,014.10-6,784,690.08

Finding the Fourth Proportional to 12,291,316.56, 16,962,014.10 and 6,784,690.08

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Solution

The fourth proportional to 12,291,316.56, 16,962,014.10 and 6,784,690.08 is: 9,362,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,316.56 : 16,962,014.10 = 6,784,690.08 : x
  2. Step 2: Convert to fraction form
    12,291,316.56/16,962,014.10 = 6,784,690.08/x
  3. Step 3: Cross multiply
    12,291,316.56x = 16,962,014.10 × 6,784,690.08
  4. Step 4: Simplify right side
    12,291,316.56x = 115,082,008,801,090.14
  5. Step 5: Solve for x
    x = 115,082,008,801,090.14/12,291,316.56
  6. Step 6: Final answer
    x = 9,362,870.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.