Home / 18,130,015.20-27,195,022.80-14,020,204.80

Finding the Fourth Proportional to 18,130,015.20, 27,195,022.80 and 14,020,204.80

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Solution

The fourth proportional to 18,130,015.20, 27,195,022.80 and 14,020,204.80 is: 21,030,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130,015.20 : 27,195,022.80 = 14,020,204.80 : x
  2. Step 2: Convert to fraction form
    18,130,015.20/27,195,022.80 = 14,020,204.80/x
  3. Step 3: Cross multiply
    18,130,015.20x = 27,195,022.80 × 14,020,204.80
  4. Step 4: Simplify right side
    18,130,015.20x = 381,279,789,196,669.50
  5. Step 5: Solve for x
    x = 381,279,789,196,669.50/18,130,015.20
  6. Step 6: Final answer
    x = 21,030,307.20

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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.