Home / 18,519,999.20-27,779,998.80-9,562,047.20

Finding the Fourth Proportional to 18,519,999.20, 27,779,998.80 and 9,562,047.20

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Solution

The fourth proportional to 18,519,999.20, 27,779,998.80 and 9,562,047.20 is: 14,343,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,999.20 : 27,779,998.80 = 9,562,047.20 : x
  2. Step 2: Convert to fraction form
    18,519,999.20/27,779,998.80 = 9,562,047.20/x
  3. Step 3: Cross multiply
    18,519,999.20x = 27,779,998.80 × 9,562,047.20
  4. Step 4: Simplify right side
    18,519,999.20x = 265,633,659,741,543.34
  5. Step 5: Solve for x
    x = 265,633,659,741,543.34/18,519,999.20
  6. Step 6: Final answer
    x = 14,343,070.80

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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.