Home / 15,515,488.98-21,411,374.58-8,992,901.79

Finding the Fourth Proportional to 15,515,488.98, 21,411,374.58 and 8,992,901.79

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Solution

The fourth proportional to 15,515,488.98, 21,411,374.58 and 8,992,901.79 is: 12,410,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515,488.98 : 21,411,374.58 = 8,992,901.79 : x
  2. Step 2: Convert to fraction form
    15,515,488.98/21,411,374.58 = 8,992,901.79/x
  3. Step 3: Cross multiply
    15,515,488.98x = 21,411,374.58 × 8,992,901.79
  4. Step 4: Simplify right side
    15,515,488.98x = 192,550,388,786,842.47
  5. Step 5: Solve for x
    x = 192,550,388,786,842.47/15,515,488.98
  6. Step 6: Final answer
    x = 12,410,204.35

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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.