Home / 14,228,277.96-21,329,338.98-5,128,148.52

Finding the Fourth Proportional to 14,228,277.96, 21,329,338.98 and 5,128,148.52

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Solution

The fourth proportional to 14,228,277.96, 21,329,338.98 and 5,128,148.52 is: 7,687,509.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228,277.96 : 21,329,338.98 = 5,128,148.52 : x
  2. Step 2: Convert to fraction form
    14,228,277.96/21,329,338.98 = 5,128,148.52/x
  3. Step 3: Cross multiply
    14,228,277.96x = 21,329,338.98 × 5,128,148.52
  4. Step 4: Simplify right side
    14,228,277.96x = 109,380,018,122,865.30
  5. Step 5: Solve for x
    x = 109,380,018,122,865.30/14,228,277.96
  6. Step 6: Final answer
    x = 7,687,509.23

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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.