Home / 13,749,558.04-18,974,928.66-9,407,750.68

Finding the Fourth Proportional to 13,749,558.04, 18,974,928.66 and 9,407,750.68

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Solution

The fourth proportional to 13,749,558.04, 18,974,928.66 and 9,407,750.68 is: 12,983,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749,558.04 : 18,974,928.66 = 9,407,750.68 : x
  2. Step 2: Convert to fraction form
    13,749,558.04/18,974,928.66 = 9,407,750.68/x
  3. Step 3: Cross multiply
    13,749,558.04x = 18,974,928.66 × 9,407,750.68
  4. Step 4: Simplify right side
    13,749,558.04x = 178,511,398,004,066.50
  5. Step 5: Solve for x
    x = 178,511,398,004,066.50/13,749,558.04
  6. Step 6: Final answer
    x = 12,983,064.44

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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.