Home / 18,779,844.89-28,173,808.79-5,825,737.37

Finding the Fourth Proportional to 18,779,844.89, 28,173,808.79 and 5,825,737.37

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Solution

The fourth proportional to 18,779,844.89, 28,173,808.79 and 5,825,737.37 is: 8,739,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779,844.89 : 28,173,808.79 = 5,825,737.37 : x
  2. Step 2: Convert to fraction form
    18,779,844.89/28,173,808.79 = 5,825,737.37/x
  3. Step 3: Cross multiply
    18,779,844.89x = 28,173,808.79 × 5,825,737.37
  4. Step 4: Simplify right side
    18,779,844.89x = 164,133,210,694,008.81
  5. Step 5: Solve for x
    x = 164,133,210,694,008.81/18,779,844.89
  6. Step 6: Final answer
    x = 8,739,859.76

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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.