Home / 20,088,048.20-30,132,072.30-12,025,891.40

Finding the Fourth Proportional to 20,088,048.20, 30,132,072.30 and 12,025,891.40

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Solution

The fourth proportional to 20,088,048.20, 30,132,072.30 and 12,025,891.40 is: 18,038,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088,048.20 : 30,132,072.30 = 12,025,891.40 : x
  2. Step 2: Convert to fraction form
    20,088,048.20/30,132,072.30 = 12,025,891.40/x
  3. Step 3: Cross multiply
    20,088,048.20x = 30,132,072.30 × 12,025,891.40
  4. Step 4: Simplify right side
    20,088,048.20x = 362,365,029,136,748.25
  5. Step 5: Solve for x
    x = 362,365,029,136,748.25/20,088,048.20
  6. Step 6: Final answer
    x = 18,038,837.10

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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.