Home / 12,373,547.81-18,559,231.44-5,548,289.18

Finding the Fourth Proportional to 12,373,547.81, 18,559,231.44 and 5,548,289.18

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Solution

The fourth proportional to 12,373,547.81, 18,559,231.44 and 5,548,289.18 is: 8,321,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373,547.81 : 18,559,231.44 = 5,548,289.18 : x
  2. Step 2: Convert to fraction form
    12,373,547.81/18,559,231.44 = 5,548,289.18/x
  3. Step 3: Cross multiply
    12,373,547.81x = 18,559,231.44 × 5,548,289.18
  4. Step 4: Simplify right side
    12,373,547.81x = 102,971,982,987,667.83
  5. Step 5: Solve for x
    x = 102,971,982,987,667.83/12,373,547.81
  6. Step 6: Final answer
    x = 8,321,944.89

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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.