Home / 14,666,915.84-20,240,195.09-8,140,601.66

Finding the Fourth Proportional to 14,666,915.84, 20,240,195.09 and 8,140,601.66

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Solution

The fourth proportional to 14,666,915.84, 20,240,195.09 and 8,140,601.66 is: 11,233,947.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666,915.84 : 20,240,195.09 = 8,140,601.66 : x
  2. Step 2: Convert to fraction form
    14,666,915.84/20,240,195.09 = 8,140,601.66/x
  3. Step 3: Cross multiply
    14,666,915.84x = 20,240,195.09 × 8,140,601.66
  4. Step 4: Simplify right side
    14,666,915.84x = 164,767,365,606,473.88
  5. Step 5: Solve for x
    x = 164,767,365,606,473.88/14,666,915.84
  6. Step 6: Final answer
    x = 11,233,947.71

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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.