Home / 18,779,846.39-28,173,811.04-5,825,738.87

Finding the Fourth Proportional to 18,779,846.39, 28,173,811.04 and 5,825,738.87

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Solution

The fourth proportional to 18,779,846.39, 28,173,811.04 and 5,825,738.87 is: 8,739,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779,846.39 : 28,173,811.04 = 5,825,738.87 : x
  2. Step 2: Convert to fraction form
    18,779,846.39/28,173,811.04 = 5,825,738.87/x
  3. Step 3: Cross multiply
    18,779,846.39x = 28,173,811.04 × 5,825,738.87
  4. Step 4: Simplify right side
    18,779,846.39x = 164,133,266,091,763.12
  5. Step 5: Solve for x
    x = 164,133,266,091,763.12/18,779,846.39
  6. Step 6: Final answer
    x = 8,739,862.01

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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.