Home / 18,878,779.22-26,054,715.35-11,540,908.22

Finding the Fourth Proportional to 18,878,779.22, 26,054,715.35 and 11,540,908.22

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Solution

The fourth proportional to 18,878,779.22, 26,054,715.35 and 11,540,908.22 is: 15,927,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878,779.22 : 26,054,715.35 = 11,540,908.22 : x
  2. Step 2: Convert to fraction form
    18,878,779.22/26,054,715.35 = 11,540,908.22/x
  3. Step 3: Cross multiply
    18,878,779.22x = 26,054,715.35 × 11,540,908.22
  4. Step 4: Simplify right side
    18,878,779.22x = 300,695,078,451,153.88
  5. Step 5: Solve for x
    x = 300,695,078,451,153.88/18,878,779.22
  6. Step 6: Final answer
    x = 15,927,675.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.