Home / 12,287,840.44-16,963,594.55-8,976,416.35

Finding the Fourth Proportional to 12,287,840.44, 16,963,594.55 and 8,976,416.35

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Solution

The fourth proportional to 12,287,840.44, 16,963,594.55 and 8,976,416.35 is: 12,392,111.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,840.44 : 16,963,594.55 = 8,976,416.35 : x
  2. Step 2: Convert to fraction form
    12,287,840.44/16,963,594.55 = 8,976,416.35/x
  3. Step 3: Cross multiply
    12,287,840.44x = 16,963,594.55 × 8,976,416.35
  4. Step 4: Simplify right side
    12,287,840.44x = 152,272,287,343,690.88
  5. Step 5: Solve for x
    x = 152,272,287,343,690.88/12,287,840.44
  6. Step 6: Final answer
    x = 12,392,111.38

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1.5x scale

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.