Home / 15,004,460.04-20,706,254.26-8,128,942.14

Finding the Fourth Proportional to 15,004,460.04, 20,706,254.26 and 8,128,942.14

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Solution

The fourth proportional to 15,004,460.04, 20,706,254.26 and 8,128,942.14 is: 11,217,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004,460.04 : 20,706,254.26 = 8,128,942.14 : x
  2. Step 2: Convert to fraction form
    15,004,460.04/20,706,254.26 = 8,128,942.14/x
  3. Step 3: Cross multiply
    15,004,460.04x = 20,706,254.26 × 8,128,942.14
  4. Step 4: Simplify right side
    15,004,460.04x = 168,319,942,815,668.53
  5. Step 5: Solve for x
    x = 168,319,942,815,668.53/15,004,460.04
  6. Step 6: Final answer
    x = 11,217,994.01

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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.