Home / 21,075,334.07-31,563,894.71-20,493,530.73

Finding the Fourth Proportional to 21,075,334.07, 31,563,894.71 and 20,493,530.73

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Solution

The fourth proportional to 21,075,334.07, 31,563,894.71 and 20,493,530.73 is: 30,692,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,075,334.07 : 31,563,894.71 = 20,493,530.73 : x
  2. Step 2: Convert to fraction form
    21,075,334.07/31,563,894.71 = 20,493,530.73/x
  3. Step 3: Cross multiply
    21,075,334.07x = 31,563,894.71 × 20,493,530.73
  4. Step 4: Simplify right side
    21,075,334.07x = 646,855,646,095,401.75
  5. Step 5: Solve for x
    x = 646,855,646,095,401.75/21,075,334.07
  6. Step 6: Final answer
    x = 30,692,545.32

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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.