Home / 18,411,912.84-27,616,868.18-5,632,417.56

Finding the Fourth Proportional to 18,411,912.84, 27,616,868.18 and 5,632,417.56

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Solution

The fourth proportional to 18,411,912.84, 27,616,868.18 and 5,632,417.56 is: 8,448,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411,912.84 : 27,616,868.18 = 5,632,417.56 : x
  2. Step 2: Convert to fraction form
    18,411,912.84/27,616,868.18 = 5,632,417.56/x
  3. Step 3: Cross multiply
    18,411,912.84x = 27,616,868.18 × 5,632,417.56
  4. Step 4: Simplify right side
    18,411,912.84x = 155,549,733,289,237.22
  5. Step 5: Solve for x
    x = 155,549,733,289,237.22/18,411,912.84
  6. Step 6: Final answer
    x = 8,448,320.10

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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.