Home / 8,721,811.70-13,064,055.15-7,776,250.10

Finding the Fourth Proportional to 8,721,811.70, 13,064,055.15 and 7,776,250.10

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Solution

The fourth proportional to 8,721,811.70, 13,064,055.15 and 7,776,250.10 is: 11,647,736.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,811.70 : 13,064,055.15 = 7,776,250.10 : x
  2. Step 2: Convert to fraction form
    8,721,811.70/13,064,055.15 = 7,776,250.10/x
  3. Step 3: Cross multiply
    8,721,811.70x = 13,064,055.15 × 7,776,250.10
  4. Step 4: Simplify right side
    8,721,811.70x = 101,589,360,166,593.02
  5. Step 5: Solve for x
    x = 101,589,360,166,593.02/8,721,811.70
  6. Step 6: Final answer
    x = 11,647,736.00

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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.