Home / 14,332,038.75-19,777,918.23-7,805,782.89

Finding the Fourth Proportional to 14,332,038.75, 19,777,918.23 and 7,805,782.89

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Solution

The fourth proportional to 14,332,038.75, 19,777,918.23 and 7,805,782.89 is: 10,771,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332,038.75 : 19,777,918.23 = 7,805,782.89 : x
  2. Step 2: Convert to fraction form
    14,332,038.75/19,777,918.23 = 7,805,782.89/x
  3. Step 3: Cross multiply
    14,332,038.75x = 19,777,918.23 × 7,805,782.89
  4. Step 4: Simplify right side
    14,332,038.75x = 154,382,135,719,553.09
  5. Step 5: Solve for x
    x = 154,382,135,719,553.09/14,332,038.75
  6. Step 6: Final answer
    x = 10,771,819.59

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1.5x scale

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.