Home / 12,992,085.60-19,488,128.40-4,017,544.80

Finding the Fourth Proportional to 12,992,085.60, 19,488,128.40 and 4,017,544.80

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Solution

The fourth proportional to 12,992,085.60, 19,488,128.40 and 4,017,544.80 is: 6,026,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,085.60 : 19,488,128.40 = 4,017,544.80 : x
  2. Step 2: Convert to fraction form
    12,992,085.60/19,488,128.40 = 4,017,544.80/x
  3. Step 3: Cross multiply
    12,992,085.60x = 19,488,128.40 × 4,017,544.80
  4. Step 4: Simplify right side
    12,992,085.60x = 78,294,428,915,152.31
  5. Step 5: Solve for x
    x = 78,294,428,915,152.31/12,992,085.60
  6. Step 6: Final answer
    x = 6,026,317.20

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1.5x scale

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.