Home / 13,452,031.70-20,178,047.55-12,708,014.30

Finding the Fourth Proportional to 13,452,031.70, 20,178,047.55 and 12,708,014.30

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Solution

The fourth proportional to 13,452,031.70, 20,178,047.55 and 12,708,014.30 is: 19,062,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,031.70 : 20,178,047.55 = 12,708,014.30 : x
  2. Step 2: Convert to fraction form
    13,452,031.70/20,178,047.55 = 12,708,014.30/x
  3. Step 3: Cross multiply
    13,452,031.70x = 20,178,047.55 × 12,708,014.30
  4. Step 4: Simplify right side
    13,452,031.70x = 256,422,916,811,480
  5. Step 5: Solve for x
    x = 256,422,916,811,480/13,452,031.70
  6. Step 6: Final answer
    x = 19,062,021.45

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Similar ratio
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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.