Home / 18,444,130.80-27,666,196.20-12,074,031.60

Finding the Fourth Proportional to 18,444,130.80, 27,666,196.20 and 12,074,031.60

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Solution

The fourth proportional to 18,444,130.80, 27,666,196.20 and 12,074,031.60 is: 18,111,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,130.80 : 27,666,196.20 = 12,074,031.60 : x
  2. Step 2: Convert to fraction form
    18,444,130.80/27,666,196.20 = 12,074,031.60/x
  3. Step 3: Cross multiply
    18,444,130.80x = 27,666,196.20 × 12,074,031.60
  4. Step 4: Simplify right side
    18,444,130.80x = 334,042,527,170,599.88
  5. Step 5: Solve for x
    x = 334,042,527,170,599.88/18,444,130.80
  6. Step 6: Final answer
    x = 18,111,047.40

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Similar ratio
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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.