Home / 19,025,900.28-28,539,845.64-5,380,045.20

Finding the Fourth Proportional to 19,025,900.28, 28,539,845.64 and 5,380,045.20

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Solution

The fourth proportional to 19,025,900.28, 28,539,845.64 and 5,380,045.20 is: 8,070,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025,900.28 : 28,539,845.64 = 5,380,045.20 : x
  2. Step 2: Convert to fraction form
    19,025,900.28/28,539,845.64 = 5,380,045.20/x
  3. Step 3: Cross multiply
    19,025,900.28x = 28,539,845.64 × 5,380,045.20
  4. Step 4: Simplify right side
    19,025,900.28x = 153,545,659,544,222.94
  5. Step 5: Solve for x
    x = 153,545,659,544,222.94/19,025,900.28
  6. Step 6: Final answer
    x = 8,070,349.22

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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.