Home / 19,142,109.85-28,698,447.78-9,910,185.71

Finding the Fourth Proportional to 19,142,109.85, 28,698,447.78 and 9,910,185.71

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Solution

The fourth proportional to 19,142,109.85, 28,698,447.78 and 9,910,185.71 is: 14,857,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142,109.85 : 28,698,447.78 = 9,910,185.71 : x
  2. Step 2: Convert to fraction form
    19,142,109.85/28,698,447.78 = 9,910,185.71/x
  3. Step 3: Cross multiply
    19,142,109.85x = 28,698,447.78 × 9,910,185.71
  4. Step 4: Simplify right side
    19,142,109.85x = 284,406,947,160,283.38
  5. Step 5: Solve for x
    x = 284,406,947,160,283.38/19,142,109.85
  6. Step 6: Final answer
    x = 14,857,659.34

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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.