Home / 9,141,654.21-12,615,624.09-5,012,080.62

Finding the Fourth Proportional to 9,141,654.21, 12,615,624.09 and 5,012,080.62

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Solution

The fourth proportional to 9,141,654.21, 12,615,624.09 and 5,012,080.62 is: 6,916,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141,654.21 : 12,615,624.09 = 5,012,080.62 : x
  2. Step 2: Convert to fraction form
    9,141,654.21/12,615,624.09 = 5,012,080.62/x
  3. Step 3: Cross multiply
    9,141,654.21x = 12,615,624.09 × 5,012,080.62
  4. Step 4: Simplify right side
    9,141,654.21x = 63,230,525,010,694.13
  5. Step 5: Solve for x
    x = 63,230,525,010,694.13/9,141,654.21
  6. Step 6: Final answer
    x = 6,916,748.72

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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.