Home / 12,102,736.40-18,154,104.60-10,780,038.80

Finding the Fourth Proportional to 12,102,736.40, 18,154,104.60 and 10,780,038.80

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Solution

The fourth proportional to 12,102,736.40, 18,154,104.60 and 10,780,038.80 is: 16,170,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102,736.40 : 18,154,104.60 = 10,780,038.80 : x
  2. Step 2: Convert to fraction form
    12,102,736.40/18,154,104.60 = 10,780,038.80/x
  3. Step 3: Cross multiply
    12,102,736.40x = 18,154,104.60 × 10,780,038.80
  4. Step 4: Simplify right side
    12,102,736.40x = 195,701,951,967,258.50
  5. Step 5: Solve for x
    x = 195,701,951,967,258.50/12,102,736.40
  6. Step 6: Final answer
    x = 16,170,058.20

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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.