Home / 8,807,003.20-13,210,504.80-7,687,259.20

Finding the Fourth Proportional to 8,807,003.20, 13,210,504.80 and 7,687,259.20

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Solution

The fourth proportional to 8,807,003.20, 13,210,504.80 and 7,687,259.20 is: 11,530,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807,003.20 : 13,210,504.80 = 7,687,259.20 : x
  2. Step 2: Convert to fraction form
    8,807,003.20/13,210,504.80 = 7,687,259.20/x
  3. Step 3: Cross multiply
    8,807,003.20x = 13,210,504.80 × 7,687,259.20
  4. Step 4: Simplify right side
    8,807,003.20x = 101,552,574,560,444.17
  5. Step 5: Solve for x
    x = 101,552,574,560,444.17/8,807,003.20
  6. Step 6: Final answer
    x = 11,530,888.80

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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.