Home / 19,798,154.30-27,325,283.10-12,910,678.94

Finding the Fourth Proportional to 19,798,154.30, 27,325,283.10 and 12,910,678.94

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Solution

The fourth proportional to 19,798,154.30, 27,325,283.10 and 12,910,678.94 is: 17,819,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798,154.30 : 27,325,283.10 = 12,910,678.94 : x
  2. Step 2: Convert to fraction form
    19,798,154.30/27,325,283.10 = 12,910,678.94/x
  3. Step 3: Cross multiply
    19,798,154.30x = 27,325,283.10 × 12,910,678.94
  4. Step 4: Simplify right side
    19,798,154.30x = 352,787,957,048,707.94
  5. Step 5: Solve for x
    x = 352,787,957,048,707.94/19,798,154.30
  6. Step 6: Final answer
    x = 17,819,234.65

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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.