Home / 13,480,012.60-20,220,018.90-13,396,031.80

Finding the Fourth Proportional to 13,480,012.60, 20,220,018.90 and 13,396,031.80

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Solution

The fourth proportional to 13,480,012.60, 20,220,018.90 and 13,396,031.80 is: 20,094,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,012.60 : 20,220,018.90 = 13,396,031.80 : x
  2. Step 2: Convert to fraction form
    13,480,012.60/20,220,018.90 = 13,396,031.80/x
  3. Step 3: Cross multiply
    13,480,012.60x = 20,220,018.90 × 13,396,031.80
  4. Step 4: Simplify right side
    13,480,012.60x = 270,868,016,181,001
  5. Step 5: Solve for x
    x = 270,868,016,181,001/13,480,012.60
  6. Step 6: Final answer
    x = 20,094,047.70

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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.