Home / 7,798,018.72-11,697,188.40-2,406,672.32

Finding the Fourth Proportional to 7,798,018.72, 11,697,188.40 and 2,406,672.32

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Solution

The fourth proportional to 7,798,018.72, 11,697,188.40 and 2,406,672.32 is: 3,610,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798,018.72 : 11,697,188.40 = 2,406,672.32 : x
  2. Step 2: Convert to fraction form
    7,798,018.72/11,697,188.40 = 2,406,672.32/x
  3. Step 3: Cross multiply
    7,798,018.72x = 11,697,188.40 × 2,406,672.32
  4. Step 4: Simplify right side
    7,798,018.72x = 28,151,299,544,105.09
  5. Step 5: Solve for x
    x = 28,151,299,544,105.09/7,798,018.72
  6. Step 6: Final answer
    x = 3,610,057.96

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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.