Home / 12,098,047.20-18,147,070.80-10,978,303.20

Finding the Fourth Proportional to 12,098,047.20, 18,147,070.80 and 10,978,303.20

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Solution

The fourth proportional to 12,098,047.20, 18,147,070.80 and 10,978,303.20 is: 16,467,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,047.20 : 18,147,070.80 = 10,978,303.20 : x
  2. Step 2: Convert to fraction form
    12,098,047.20/18,147,070.80 = 10,978,303.20/x
  3. Step 3: Cross multiply
    12,098,047.20x = 18,147,070.80 × 10,978,303.20
  4. Step 4: Simplify right side
    12,098,047.20x = 199,224,045,434,266.56
  5. Step 5: Solve for x
    x = 199,224,045,434,266.56/12,098,047.20
  6. Step 6: Final answer
    x = 16,467,454.80

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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.