Home / 8,435,340.10-12,653,010.15-8,043,429.70

Finding the Fourth Proportional to 8,435,340.10, 12,653,010.15 and 8,043,429.70

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Solution

The fourth proportional to 8,435,340.10, 12,653,010.15 and 8,043,429.70 is: 12,065,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435,340.10 : 12,653,010.15 = 8,043,429.70 : x
  2. Step 2: Convert to fraction form
    8,435,340.10/12,653,010.15 = 8,043,429.70/x
  3. Step 3: Cross multiply
    8,435,340.10x = 12,653,010.15 × 8,043,429.70
  4. Step 4: Simplify right side
    8,435,340.10x = 101,773,597,634,911.45
  5. Step 5: Solve for x
    x = 101,773,597,634,911.45/8,435,340.10
  6. Step 6: Final answer
    x = 12,065,144.55

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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.