Home / 19,404,894.40-29,082,847.20-9,822,918.40

Finding the Fourth Proportional to 19,404,894.40, 29,082,847.20 and 9,822,918.40

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Solution

The fourth proportional to 19,404,894.40, 29,082,847.20 and 9,822,918.40 is: 14,721,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404,894.40 : 29,082,847.20 = 9,822,918.40 : x
  2. Step 2: Convert to fraction form
    19,404,894.40/29,082,847.20 = 9,822,918.40/x
  3. Step 3: Cross multiply
    19,404,894.40x = 29,082,847.20 × 9,822,918.40
  4. Step 4: Simplify right side
    19,404,894.40x = 285,678,434,885,268.50
  5. Step 5: Solve for x
    x = 285,678,434,885,268.50/19,404,894.40
  6. Step 6: Final answer
    x = 14,721,978.33

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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.