Home / 8,874,606.40-13,311,909.60-7,918,012.60

Finding the Fourth Proportional to 8,874,606.40, 13,311,909.60 and 7,918,012.60

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Solution

The fourth proportional to 8,874,606.40, 13,311,909.60 and 7,918,012.60 is: 11,877,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874,606.40 : 13,311,909.60 = 7,918,012.60 : x
  2. Step 2: Convert to fraction form
    8,874,606.40/13,311,909.60 = 7,918,012.60/x
  3. Step 3: Cross multiply
    8,874,606.40x = 13,311,909.60 × 7,918,012.60
  4. Step 4: Simplify right side
    8,874,606.40x = 105,403,867,942,860.95
  5. Step 5: Solve for x
    x = 105,403,867,942,860.95/8,874,606.40
  6. Step 6: Final answer
    x = 11,877,018.90

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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.