Home / 23,169,426.60-31,974,029.16-12,857,109.24

Finding the Fourth Proportional to 23,169,426.60, 31,974,029.16 and 12,857,109.24

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Solution

The fourth proportional to 23,169,426.60, 31,974,029.16 and 12,857,109.24 is: 17,742,933.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169,426.60 : 31,974,029.16 = 12,857,109.24 : x
  2. Step 2: Convert to fraction form
    23,169,426.60/31,974,029.16 = 12,857,109.24/x
  3. Step 3: Cross multiply
    23,169,426.60x = 31,974,029.16 × 12,857,109.24
  4. Step 4: Simplify right side
    23,169,426.60x = 411,093,585,753,065.44
  5. Step 5: Solve for x
    x = 411,093,585,753,065.44/23,169,426.60
  6. Step 6: Final answer
    x = 17,742,933.08

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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.