Home / 18,432,847.80-27,649,271.70-12,759,478.20

Finding the Fourth Proportional to 18,432,847.80, 27,649,271.70 and 12,759,478.20

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Solution

The fourth proportional to 18,432,847.80, 27,649,271.70 and 12,759,478.20 is: 19,139,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,847.80 : 27,649,271.70 = 12,759,478.20 : x
  2. Step 2: Convert to fraction form
    18,432,847.80/27,649,271.70 = 12,759,478.20/x
  3. Step 3: Cross multiply
    18,432,847.80x = 27,649,271.70 × 12,759,478.20
  4. Step 4: Simplify right side
    18,432,847.80x = 352,790,279,502,026.94
  5. Step 5: Solve for x
    x = 352,790,279,502,026.94/18,432,847.80
  6. Step 6: Final answer
    x = 19,139,217.30

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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.