Home / 8,690,465.40-13,035,698.10-5,509,692.60

Finding the Fourth Proportional to 8,690,465.40, 13,035,698.10 and 5,509,692.60

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Solution

The fourth proportional to 8,690,465.40, 13,035,698.10 and 5,509,692.60 is: 8,264,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,465.40 : 13,035,698.10 = 5,509,692.60 : x
  2. Step 2: Convert to fraction form
    8,690,465.40/13,035,698.10 = 5,509,692.60/x
  3. Step 3: Cross multiply
    8,690,465.40x = 13,035,698.10 × 5,509,692.60
  4. Step 4: Simplify right side
    8,690,465.40x = 71,822,689,357,404.05
  5. Step 5: Solve for x
    x = 71,822,689,357,404.05/8,690,465.40
  6. Step 6: Final answer
    x = 8,264,538.90

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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.