Home / 28,488,953.61-39,309,579.45-15,930,234.90

Finding the Fourth Proportional to 28,488,953.61, 39,309,579.45 and 15,930,234.90

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Solution

The fourth proportional to 28,488,953.61, 39,309,579.45 and 15,930,234.90 is: 21,980,829.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,953.61 : 39,309,579.45 = 15,930,234.90 : x
  2. Step 2: Convert to fraction form
    28,488,953.61/39,309,579.45 = 15,930,234.90/x
  3. Step 3: Cross multiply
    28,488,953.61x = 39,309,579.45 × 15,930,234.90
  4. Step 4: Simplify right side
    28,488,953.61x = 626,210,834,458,712.88
  5. Step 5: Solve for x
    x = 626,210,834,458,712.88/28,488,953.61
  6. Step 6: Final answer
    x = 21,980,829.59

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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.