Home / 18,515,812.63-25,552,085.21-10,675,169.77

Finding the Fourth Proportional to 18,515,812.63, 25,552,085.21 and 10,675,169.77

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Solution

The fourth proportional to 18,515,812.63, 25,552,085.21 and 10,675,169.77 is: 14,731,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515,812.63 : 25,552,085.21 = 10,675,169.77 : x
  2. Step 2: Convert to fraction form
    18,515,812.63/25,552,085.21 = 10,675,169.77/x
  3. Step 3: Cross multiply
    18,515,812.63x = 25,552,085.21 × 10,675,169.77
  4. Step 4: Simplify right side
    18,515,812.63x = 272,772,847,594,256.09
  5. Step 5: Solve for x
    x = 272,772,847,594,256.09/18,515,812.63
  6. Step 6: Final answer
    x = 14,731,886.36

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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.