Home / 13,608,905.10-20,413,357.65-9,297,890.70

Finding the Fourth Proportional to 13,608,905.10, 20,413,357.65 and 9,297,890.70

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Solution

The fourth proportional to 13,608,905.10, 20,413,357.65 and 9,297,890.70 is: 13,946,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,905.10 : 20,413,357.65 = 9,297,890.70 : x
  2. Step 2: Convert to fraction form
    13,608,905.10/20,413,357.65 = 9,297,890.70/x
  3. Step 3: Cross multiply
    13,608,905.10x = 20,413,357.65 × 9,297,890.70
  4. Step 4: Simplify right side
    13,608,905.10x = 189,801,168,249,708.81
  5. Step 5: Solve for x
    x = 189,801,168,249,708.81/13,608,905.10
  6. Step 6: Final answer
    x = 13,946,836.05

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1.5x scale

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.