Home / 19,174,876.20-28,762,314.30-12,000,422.70

Finding the Fourth Proportional to 19,174,876.20, 28,762,314.30 and 12,000,422.70

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Solution

The fourth proportional to 19,174,876.20, 28,762,314.30 and 12,000,422.70 is: 18,000,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174,876.20 : 28,762,314.30 = 12,000,422.70 : x
  2. Step 2: Convert to fraction form
    19,174,876.20/28,762,314.30 = 12,000,422.70/x
  3. Step 3: Cross multiply
    19,174,876.20x = 28,762,314.30 × 12,000,422.70
  4. Step 4: Simplify right side
    19,174,876.20x = 345,159,929,430,254.62
  5. Step 5: Solve for x
    x = 345,159,929,430,254.62/19,174,876.20
  6. Step 6: Final answer
    x = 18,000,634.05

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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.