Home / 9,619,636.20-13,275,312.78-5,489,585.04

Finding the Fourth Proportional to 9,619,636.20, 13,275,312.78 and 5,489,585.04

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Solution

The fourth proportional to 9,619,636.20, 13,275,312.78 and 5,489,585.04 is: 7,575,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619,636.20 : 13,275,312.78 = 5,489,585.04 : x
  2. Step 2: Convert to fraction form
    9,619,636.20/13,275,312.78 = 5,489,585.04/x
  3. Step 3: Cross multiply
    9,619,636.20x = 13,275,312.78 × 5,489,585.04
  4. Step 4: Simplify right side
    9,619,636.20x = 72,875,958,438,408.81
  5. Step 5: Solve for x
    x = 72,875,958,438,408.81/9,619,636.20
  6. Step 6: Final answer
    x = 7,575,749.95

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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.