Home / 11,012,425.20-16,518,637.80-9,382,672.80

Finding the Fourth Proportional to 11,012,425.20, 16,518,637.80 and 9,382,672.80

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Solution

The fourth proportional to 11,012,425.20, 16,518,637.80 and 9,382,672.80 is: 14,074,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012,425.20 : 16,518,637.80 = 9,382,672.80 : x
  2. Step 2: Convert to fraction form
    11,012,425.20/16,518,637.80 = 9,382,672.80/x
  3. Step 3: Cross multiply
    11,012,425.20x = 16,518,637.80 × 9,382,672.80
  4. Step 4: Simplify right side
    11,012,425.20x = 154,988,973,579,111.84
  5. Step 5: Solve for x
    x = 154,988,973,579,111.84/11,012,425.20
  6. Step 6: Final answer
    x = 14,074,009.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.