Home / 14,652,779.15-20,218,161.56-8,455,565.03

Finding the Fourth Proportional to 14,652,779.15, 20,218,161.56 and 8,455,565.03

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Solution

The fourth proportional to 14,652,779.15, 20,218,161.56 and 8,455,565.03 is: 11,667,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,779.15 : 20,218,161.56 = 8,455,565.03 : x
  2. Step 2: Convert to fraction form
    14,652,779.15/20,218,161.56 = 8,455,565.03/x
  3. Step 3: Cross multiply
    14,652,779.15x = 20,218,161.56 × 8,455,565.03
  4. Step 4: Simplify right side
    14,652,779.15x = 170,955,979,865,893.84
  5. Step 5: Solve for x
    x = 170,955,979,865,893.84/14,652,779.15
  6. Step 6: Final answer
    x = 11,667,136.87

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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.