Home / 28,929,658.88-39,928,433.28-19,140,296.96

Finding the Fourth Proportional to 28,929,658.88, 39,928,433.28 and 19,140,296.96

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Solution

The fourth proportional to 28,929,658.88, 39,928,433.28 and 19,140,296.96 is: 26,417,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929,658.88 : 39,928,433.28 = 19,140,296.96 : x
  2. Step 2: Convert to fraction form
    28,929,658.88/39,928,433.28 = 19,140,296.96/x
  3. Step 3: Cross multiply
    28,929,658.88x = 39,928,433.28 × 19,140,296.96
  4. Step 4: Simplify right side
    28,929,658.88x = 764,242,070,126,746.88
  5. Step 5: Solve for x
    x = 764,242,070,126,746.88/28,929,658.88
  6. Step 6: Final answer
    x = 26,417,251.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.