Home / 20,704,647.02-31,053,603.44-9,774,815.63

Finding the Fourth Proportional to 20,704,647.02, 31,053,603.44 and 9,774,815.63

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Solution

The fourth proportional to 20,704,647.02, 31,053,603.44 and 9,774,815.63 is: 14,660,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704,647.02 : 31,053,603.44 = 9,774,815.63 : x
  2. Step 2: Convert to fraction form
    20,704,647.02/31,053,603.44 = 9,774,815.63/x
  3. Step 3: Cross multiply
    20,704,647.02x = 31,053,603.44 × 9,774,815.63
  4. Step 4: Simplify right side
    20,704,647.02x = 303,543,248,068,991.69
  5. Step 5: Solve for x
    x = 303,543,248,068,991.69/20,704,647.02
  6. Step 6: Final answer
    x = 14,660,633.81

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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.