Home / 8,735,783.40-13,103,675.10-7,811,994.60

Finding the Fourth Proportional to 8,735,783.40, 13,103,675.10 and 7,811,994.60

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Solution

The fourth proportional to 8,735,783.40, 13,103,675.10 and 7,811,994.60 is: 11,717,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735,783.40 : 13,103,675.10 = 7,811,994.60 : x
  2. Step 2: Convert to fraction form
    8,735,783.40/13,103,675.10 = 7,811,994.60/x
  3. Step 3: Cross multiply
    8,735,783.40x = 13,103,675.10 × 7,811,994.60
  4. Step 4: Simplify right side
    8,735,783.40x = 102,365,839,121,354.45
  5. Step 5: Solve for x
    x = 102,365,839,121,354.45/8,735,783.40
  6. Step 6: Final answer
    x = 11,717,991.90

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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.