Home / 13,608,117.60-20,412,176.40-6,805,672.80

Finding the Fourth Proportional to 13,608,117.60, 20,412,176.40 and 6,805,672.80

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Solution

The fourth proportional to 13,608,117.60, 20,412,176.40 and 6,805,672.80 is: 10,208,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,117.60 : 20,412,176.40 = 6,805,672.80 : x
  2. Step 2: Convert to fraction form
    13,608,117.60/20,412,176.40 = 6,805,672.80/x
  3. Step 3: Cross multiply
    13,608,117.60x = 20,412,176.40 × 6,805,672.80
  4. Step 4: Simplify right side
    13,608,117.60x = 138,918,593,714,281.91
  5. Step 5: Solve for x
    x = 138,918,593,714,281.91/13,608,117.60
  6. Step 6: Final answer
    x = 10,208,509.20

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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.