Home / 19,287,969.60-28,911,832.88-6,504,078.72

Finding the Fourth Proportional to 19,287,969.60, 28,911,832.88 and 6,504,078.72

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Solution

The fourth proportional to 19,287,969.60, 28,911,832.88 and 6,504,078.72 is: 9,749,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287,969.60 : 28,911,832.88 = 6,504,078.72 : x
  2. Step 2: Convert to fraction form
    19,287,969.60/28,911,832.88 = 6,504,078.72/x
  3. Step 3: Cross multiply
    19,287,969.60x = 28,911,832.88 × 6,504,078.72
  4. Step 4: Simplify right side
    19,287,969.60x = 188,044,836,991,004.31
  5. Step 5: Solve for x
    x = 188,044,836,991,004.31/19,287,969.60
  6. Step 6: Final answer
    x = 9,749,332.92

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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.