Home / 23,169,430.08-31,974,033.96-12,857,112.72

Finding the Fourth Proportional to 23,169,430.08, 31,974,033.96 and 12,857,112.72

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Solution

The fourth proportional to 23,169,430.08, 31,974,033.96 and 12,857,112.72 is: 17,742,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169,430.08 : 31,974,033.96 = 12,857,112.72 : x
  2. Step 2: Convert to fraction form
    23,169,430.08/31,974,033.96 = 12,857,112.72/x
  3. Step 3: Cross multiply
    23,169,430.08x = 31,974,033.96 × 12,857,112.72
  4. Step 4: Simplify right side
    23,169,430.08x = 411,093,758,736,828
  5. Step 5: Solve for x
    x = 411,093,758,736,828/23,169,430.08
  6. Step 6: Final answer
    x = 17,742,937.88

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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.