Home / 9,141,653.71-12,615,623.40-5,012,080.12

Finding the Fourth Proportional to 9,141,653.71, 12,615,623.40 and 5,012,080.12

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Solution

The fourth proportional to 9,141,653.71, 12,615,623.40 and 5,012,080.12 is: 6,916,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141,653.71 : 12,615,623.40 = 5,012,080.12 : x
  2. Step 2: Convert to fraction form
    9,141,653.71/12,615,623.40 = 5,012,080.12/x
  3. Step 3: Cross multiply
    9,141,653.71x = 12,615,623.40 × 5,012,080.12
  4. Step 4: Simplify right side
    9,141,653.71x = 63,230,515,244,546.81
  5. Step 5: Solve for x
    x = 63,230,515,244,546.81/9,141,653.71
  6. Step 6: Final answer
    x = 6,916,748.03

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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.