Home / 14,580,433.82-20,121,609.55-8,385,484.73

Finding the Fourth Proportional to 14,580,433.82, 20,121,609.55 and 8,385,484.73

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Solution

The fourth proportional to 14,580,433.82, 20,121,609.55 and 8,385,484.73 is: 11,572,320.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580,433.82 : 20,121,609.55 = 8,385,484.73 : x
  2. Step 2: Convert to fraction form
    14,580,433.82/20,121,609.55 = 8,385,484.73/x
  3. Step 3: Cross multiply
    14,580,433.82x = 20,121,609.55 × 8,385,484.73
  4. Step 4: Simplify right side
    14,580,433.82x = 168,729,449,624,547.19
  5. Step 5: Solve for x
    x = 168,729,449,624,547.19/14,580,433.82
  6. Step 6: Final answer
    x = 11,572,320.26

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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.