Home / 12,046,132.08-16,616,359.44-7,148,126.88

Finding the Fourth Proportional to 12,046,132.08, 16,616,359.44 and 7,148,126.88

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Solution

The fourth proportional to 12,046,132.08, 16,616,359.44 and 7,148,126.88 is: 9,860,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046,132.08 : 16,616,359.44 = 7,148,126.88 : x
  2. Step 2: Convert to fraction form
    12,046,132.08/16,616,359.44 = 7,148,126.88/x
  3. Step 3: Cross multiply
    12,046,132.08x = 16,616,359.44 × 7,148,126.88
  4. Step 4: Simplify right side
    12,046,132.08x = 118,775,845,560,805.73
  5. Step 5: Solve for x
    x = 118,775,845,560,805.73/12,046,132.08
  6. Step 6: Final answer
    x = 9,860,081.62

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1.5x scale

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.