Home / 28,811,048.40-43,248,065.40-18,040,510.80

Finding the Fourth Proportional to 28,811,048.40, 43,248,065.40 and 18,040,510.80

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Solution

The fourth proportional to 28,811,048.40, 43,248,065.40 and 18,040,510.80 is: 27,080,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811,048.40 : 43,248,065.40 = 18,040,510.80 : x
  2. Step 2: Convert to fraction form
    28,811,048.40/43,248,065.40 = 18,040,510.80/x
  3. Step 3: Cross multiply
    28,811,048.40x = 43,248,065.40 × 18,040,510.80
  4. Step 4: Simplify right side
    28,811,048.40x = 780,217,190,927,806.38
  5. Step 5: Solve for x
    x = 780,217,190,927,806.38/28,811,048.40
  6. Step 6: Final answer
    x = 27,080,485.93

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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.