Home / 9,707,109.05-13,395,289.04-5,355,343.55

Finding the Fourth Proportional to 9,707,109.05, 13,395,289.04 and 5,355,343.55

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Solution

The fourth proportional to 9,707,109.05, 13,395,289.04 and 5,355,343.55 is: 7,390,086.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707,109.05 : 13,395,289.04 = 5,355,343.55 : x
  2. Step 2: Convert to fraction form
    9,707,109.05/13,395,289.04 = 5,355,343.55/x
  3. Step 3: Cross multiply
    9,707,109.05x = 13,395,289.04 × 5,355,343.55
  4. Step 4: Simplify right side
    9,707,109.05x = 71,736,374,787,543.73
  5. Step 5: Solve for x
    x = 71,736,374,787,543.73/9,707,109.05
  6. Step 6: Final answer
    x = 7,390,086.42

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1.5x scale

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.