Home / 15,090,494.04-20,824,884.96-8,214,974.28

Finding the Fourth Proportional to 15,090,494.04, 20,824,884.96 and 8,214,974.28

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Solution

The fourth proportional to 15,090,494.04, 20,824,884.96 and 8,214,974.28 is: 11,336,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090,494.04 : 20,824,884.96 = 8,214,974.28 : x
  2. Step 2: Convert to fraction form
    15,090,494.04/20,824,884.96 = 8,214,974.28/x
  3. Step 3: Cross multiply
    15,090,494.04x = 20,824,884.96 × 8,214,974.28
  4. Step 4: Simplify right side
    15,090,494.04x = 171,075,894,330,358.84
  5. Step 5: Solve for x
    x = 171,075,894,330,358.84/15,090,494.04
  6. Step 6: Final answer
    x = 11,336,666.24

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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.