Home / 8,775,623.70-13,163,435.55-7,991,802.90

Finding the Fourth Proportional to 8,775,623.70, 13,163,435.55 and 7,991,802.90

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Solution

The fourth proportional to 8,775,623.70, 13,163,435.55 and 7,991,802.90 is: 11,987,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775,623.70 : 13,163,435.55 = 7,991,802.90 : x
  2. Step 2: Convert to fraction form
    8,775,623.70/13,163,435.55 = 7,991,802.90/x
  3. Step 3: Cross multiply
    8,775,623.70x = 13,163,435.55 × 7,991,802.90
  4. Step 4: Simplify right side
    8,775,623.70x = 105,199,582,402,453.11
  5. Step 5: Solve for x
    x = 105,199,582,402,453.11/8,775,623.70
  6. Step 6: Final answer
    x = 11,987,704.35

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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.