Home / 19,345,961.49-28,996,942.41-10,109,693.40

Finding the Fourth Proportional to 19,345,961.49, 28,996,942.41 and 10,109,693.40

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Solution

The fourth proportional to 19,345,961.49, 28,996,942.41 and 10,109,693.40 is: 15,153,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345,961.49 : 28,996,942.41 = 10,109,693.40 : x
  2. Step 2: Convert to fraction form
    19,345,961.49/28,996,942.41 = 10,109,693.40/x
  3. Step 3: Cross multiply
    19,345,961.49x = 28,996,942.41 × 10,109,693.40
  4. Step 4: Simplify right side
    19,345,961.49x = 293,150,197,302,557.12
  5. Step 5: Solve for x
    x = 293,150,197,302,557.12/19,345,961.49
  6. Step 6: Final answer
    x = 15,153,043.57

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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.