Home / 18,325,957.32-25,289,128.26-10,177,720.20

Finding the Fourth Proportional to 18,325,957.32, 25,289,128.26 and 10,177,720.20

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Solution

The fourth proportional to 18,325,957.32, 25,289,128.26 and 10,177,720.20 is: 14,044,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325,957.32 : 25,289,128.26 = 10,177,720.20 : x
  2. Step 2: Convert to fraction form
    18,325,957.32/25,289,128.26 = 10,177,720.20/x
  3. Step 3: Cross multiply
    18,325,957.32x = 25,289,128.26 × 10,177,720.20
  4. Step 4: Simplify right side
    18,325,957.32x = 257,385,671,532,192.84
  5. Step 5: Solve for x
    x = 257,385,671,532,192.84/18,325,957.32
  6. Step 6: Final answer
    x = 14,044,869.09

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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.