Home / 8,991,877-12,409,085.50-4,917,496

Finding the Fourth Proportional to 8,991,877, 12,409,085.50 and 4,917,496

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Solution

The fourth proportional to 8,991,877, 12,409,085.50 and 4,917,496 is: 6,786,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,877 : 12,409,085.50 = 4,917,496 : x
  2. Step 2: Convert to fraction form
    8,991,877/12,409,085.50 = 4,917,496/x
  3. Step 3: Cross multiply
    8,991,877x = 12,409,085.50 × 4,917,496
  4. Step 4: Simplify right side
    8,991,877x = 61,021,628,309,908
  5. Step 5: Solve for x
    x = 61,021,628,309,908/8,991,877
  6. Step 6: Final answer
    x = 6,786,305.94

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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.