Home / 23,016,215.80-31,762,221.51-12,702,938.86

Finding the Fourth Proportional to 23,016,215.80, 31,762,221.51 and 12,702,938.86

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Solution

The fourth proportional to 23,016,215.80, 31,762,221.51 and 12,702,938.86 is: 17,529,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,016,215.80 : 31,762,221.51 = 12,702,938.86 : x
  2. Step 2: Convert to fraction form
    23,016,215.80/31,762,221.51 = 12,702,938.86/x
  3. Step 3: Cross multiply
    23,016,215.80x = 31,762,221.51 × 12,702,938.86
  4. Step 4: Simplify right side
    23,016,215.80x = 403,473,557,899,306.88
  5. Step 5: Solve for x
    x = 403,473,557,899,306.88/23,016,215.80
  6. Step 6: Final answer
    x = 17,529,969.37

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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.