Home / 8,988,745.80-13,483,118.70-5,200,278.60

Finding the Fourth Proportional to 8,988,745.80, 13,483,118.70 and 5,200,278.60

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Solution

The fourth proportional to 8,988,745.80, 13,483,118.70 and 5,200,278.60 is: 7,800,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988,745.80 : 13,483,118.70 = 5,200,278.60 : x
  2. Step 2: Convert to fraction form
    8,988,745.80/13,483,118.70 = 5,200,278.60/x
  3. Step 3: Cross multiply
    8,988,745.80x = 13,483,118.70 × 5,200,278.60
  4. Step 4: Simplify right side
    8,988,745.80x = 70,115,973,636,869.81
  5. Step 5: Solve for x
    x = 70,115,973,636,869.81/8,988,745.80
  6. Step 6: Final answer
    x = 7,800,417.90

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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.