Home / 8,675,131.77-11,971,478.12-4,807,569.89

Finding the Fourth Proportional to 8,675,131.77, 11,971,478.12 and 4,807,569.89

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Solution

The fourth proportional to 8,675,131.77, 11,971,478.12 and 4,807,569.89 is: 6,634,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675,131.77 : 11,971,478.12 = 4,807,569.89 : x
  2. Step 2: Convert to fraction form
    8,675,131.77/11,971,478.12 = 4,807,569.89/x
  3. Step 3: Cross multiply
    8,675,131.77x = 11,971,478.12 × 4,807,569.89
  4. Step 4: Simplify right side
    8,675,131.77x = 57,553,717,664,610.56
  5. Step 5: Solve for x
    x = 57,553,717,664,610.56/8,675,131.77
  6. Step 6: Final answer
    x = 6,634,333.54

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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.