Home / 8,938,847.60-13,415,269.80-4,147,130.60

Finding the Fourth Proportional to 8,938,847.60, 13,415,269.80 and 4,147,130.60

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Solution

The fourth proportional to 8,938,847.60, 13,415,269.80 and 4,147,130.60 is: 6,223,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,847.60 : 13,415,269.80 = 4,147,130.60 : x
  2. Step 2: Convert to fraction form
    8,938,847.60/13,415,269.80 = 4,147,130.60/x
  3. Step 3: Cross multiply
    8,938,847.60x = 13,415,269.80 × 4,147,130.60
  4. Step 4: Simplify right side
    8,938,847.60x = 55,634,875,894,835.88
  5. Step 5: Solve for x
    x = 55,634,875,894,835.88/8,938,847.60
  6. Step 6: Final answer
    x = 6,223,942.77

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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.