Home / 38,979,922.56-53,779,926.72-22,679,249.28

Finding the Fourth Proportional to 38,979,922.56, 53,779,926.72 and 22,679,249.28

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Solution

The fourth proportional to 38,979,922.56, 53,779,926.72 and 22,679,249.28 is: 31,290,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,979,922.56 : 53,779,926.72 = 22,679,249.28 : x
  2. Step 2: Convert to fraction form
    38,979,922.56/53,779,926.72 = 22,679,249.28/x
  3. Step 3: Cross multiply
    38,979,922.56x = 53,779,926.72 × 22,679,249.28
  4. Step 4: Simplify right side
    38,979,922.56x = 1,219,688,364,343,012.75
  5. Step 5: Solve for x
    x = 1,219,688,364,343,012.75/38,979,922.56
  6. Step 6: Final answer
    x = 31,290,169.00

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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.