Home / 20,144,523.87-27,799,478.37-10,977,166.62

Finding the Fourth Proportional to 20,144,523.87, 27,799,478.37 and 10,977,166.62

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Solution

The fourth proportional to 20,144,523.87, 27,799,478.37 and 10,977,166.62 is: 15,148,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144,523.87 : 27,799,478.37 = 10,977,166.62 : x
  2. Step 2: Convert to fraction form
    20,144,523.87/27,799,478.37 = 10,977,166.62/x
  3. Step 3: Cross multiply
    20,144,523.87x = 27,799,478.37 × 10,977,166.62
  4. Step 4: Simplify right side
    20,144,523.87x = 305,159,506,016,576
  5. Step 5: Solve for x
    x = 305,159,506,016,576/20,144,523.87
  6. Step 6: Final answer
    x = 15,148,509.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.