Home / 15,204,852.11-20,983,220.36-8,329,334.78

Finding the Fourth Proportional to 15,204,852.11, 20,983,220.36 and 8,329,334.78

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Solution

The fourth proportional to 15,204,852.11, 20,983,220.36 and 8,329,334.78 is: 11,494,769.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204,852.11 : 20,983,220.36 = 8,329,334.78 : x
  2. Step 2: Convert to fraction form
    15,204,852.11/20,983,220.36 = 8,329,334.78/x
  3. Step 3: Cross multiply
    15,204,852.11x = 20,983,220.36 × 8,329,334.78
  4. Step 4: Simplify right side
    15,204,852.11x = 174,776,266,994,389.34
  5. Step 5: Solve for x
    x = 174,776,266,994,389.34/15,204,852.11
  6. Step 6: Final answer
    x = 11,494,769.29

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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.