Home / 13,893,822.72-19,182,831.84-8,674,776.72

Finding the Fourth Proportional to 13,893,822.72, 19,182,831.84 and 8,674,776.72

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Solution

The fourth proportional to 13,893,822.72, 19,182,831.84 and 8,674,776.72 is: 11,977,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893,822.72 : 19,182,831.84 = 8,674,776.72 : x
  2. Step 2: Convert to fraction form
    13,893,822.72/19,182,831.84 = 8,674,776.72/x
  3. Step 3: Cross multiply
    13,893,822.72x = 19,182,831.84 × 8,674,776.72
  4. Step 4: Simplify right side
    13,893,822.72x = 166,406,783,069,306.78
  5. Step 5: Solve for x
    x = 166,406,783,069,306.78/13,893,822.72
  6. Step 6: Final answer
    x = 11,977,033.71

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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.