Home / 12,020,619.23-17,987,828.43-10,406,938.67

Finding the Fourth Proportional to 12,020,619.23, 17,987,828.43 and 10,406,938.67

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Solution

The fourth proportional to 12,020,619.23, 17,987,828.43 and 10,406,938.67 is: 15,573,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,619.23 : 17,987,828.43 = 10,406,938.67 : x
  2. Step 2: Convert to fraction form
    12,020,619.23/17,987,828.43 = 10,406,938.67/x
  3. Step 3: Cross multiply
    12,020,619.23x = 17,987,828.43 × 10,406,938.67
  4. Step 4: Simplify right side
    12,020,619.23x = 187,198,227,277,492.38
  5. Step 5: Solve for x
    x = 187,198,227,277,492.38/12,020,619.23
  6. Step 6: Final answer
    x = 15,573,093.51

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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.