Home / 21,993,669.40-32,990,504.10-19,159,317.40

Finding the Fourth Proportional to 21,993,669.40, 32,990,504.10 and 19,159,317.40

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Solution

The fourth proportional to 21,993,669.40, 32,990,504.10 and 19,159,317.40 is: 28,738,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993,669.40 : 32,990,504.10 = 19,159,317.40 : x
  2. Step 2: Convert to fraction form
    21,993,669.40/32,990,504.10 = 19,159,317.40/x
  3. Step 3: Cross multiply
    21,993,669.40x = 32,990,504.10 × 19,159,317.40
  4. Step 4: Simplify right side
    21,993,669.40x = 632,075,539,237,901.38
  5. Step 5: Solve for x
    x = 632,075,539,237,901.38/21,993,669.40
  6. Step 6: Final answer
    x = 28,738,976.10

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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.