Home / 18,144,475.80-27,185,220.90-11,751,437.40

Finding the Fourth Proportional to 18,144,475.80, 27,185,220.90 and 11,751,437.40

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Solution

The fourth proportional to 18,144,475.80, 27,185,220.90 and 11,751,437.40 is: 17,606,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,475.80 : 27,185,220.90 = 11,751,437.40 : x
  2. Step 2: Convert to fraction form
    18,144,475.80/27,185,220.90 = 11,751,437.40/x
  3. Step 3: Cross multiply
    18,144,475.80x = 27,185,220.90 × 11,751,437.40
  4. Step 4: Simplify right side
    18,144,475.80x = 319,465,421,611,521.62
  5. Step 5: Solve for x
    x = 319,465,421,611,521.62/18,144,475.80
  6. Step 6: Final answer
    x = 17,606,759.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.