Home / 8,742,064.40-13,106,098.20-3,689,219.60

Finding the Fourth Proportional to 8,742,064.40, 13,106,098.20 and 3,689,219.60

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Solution

The fourth proportional to 8,742,064.40, 13,106,098.20 and 3,689,219.60 is: 5,530,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,064.40 : 13,106,098.20 = 3,689,219.60 : x
  2. Step 2: Convert to fraction form
    8,742,064.40/13,106,098.20 = 3,689,219.60/x
  3. Step 3: Cross multiply
    8,742,064.40x = 13,106,098.20 × 3,689,219.60
  4. Step 4: Simplify right side
    8,742,064.40x = 48,351,274,358,964.72
  5. Step 5: Solve for x
    x = 48,351,274,358,964.72/8,742,064.40
  6. Step 6: Final answer
    x = 5,530,876.02

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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.