Home / 18,574,384.80-27,806,464.80-13,803,225.60

Finding the Fourth Proportional to 18,574,384.80, 27,806,464.80 and 13,803,225.60

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Solution

The fourth proportional to 18,574,384.80, 27,806,464.80 and 13,803,225.60 is: 20,663,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574,384.80 : 27,806,464.80 = 13,803,225.60 : x
  2. Step 2: Convert to fraction form
    18,574,384.80/27,806,464.80 = 13,803,225.60/x
  3. Step 3: Cross multiply
    18,574,384.80x = 27,806,464.80 × 13,803,225.60
  4. Step 4: Simplify right side
    18,574,384.80x = 383,818,906,772,858.88
  5. Step 5: Solve for x
    x = 383,818,906,772,858.88/18,574,384.80
  6. Step 6: Final answer
    x = 20,663,882.59

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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.