Home / 8,742,050.40-13,106,077.20-3,689,205.60

Finding the Fourth Proportional to 8,742,050.40, 13,106,077.20 and 3,689,205.60

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Solution

The fourth proportional to 8,742,050.40, 13,106,077.20 and 3,689,205.60 is: 5,530,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,050.40 : 13,106,077.20 = 3,689,205.60 : x
  2. Step 2: Convert to fraction form
    8,742,050.40/13,106,077.20 = 3,689,205.60/x
  3. Step 3: Cross multiply
    8,742,050.40x = 13,106,077.20 × 3,689,205.60
  4. Step 4: Simplify right side
    8,742,050.40x = 48,351,013,400,272.32
  5. Step 5: Solve for x
    x = 48,351,013,400,272.32/8,742,050.40
  6. Step 6: Final answer
    x = 5,530,855.03

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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.