Home / 53,871,342.91-80,807,015.44-12,930,782.06

Finding the Fourth Proportional to 53,871,342.91, 80,807,015.44 and 12,930,782.06

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Solution

The fourth proportional to 53,871,342.91, 80,807,015.44 and 12,930,782.06 is: 19,396,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871,342.91 : 80,807,015.44 = 12,930,782.06 : x
  2. Step 2: Convert to fraction form
    53,871,342.91/80,807,015.44 = 12,930,782.06/x
  3. Step 3: Cross multiply
    53,871,342.91x = 80,807,015.44 × 12,930,782.06
  4. Step 4: Simplify right side
    53,871,342.91x = 1,044,897,905,573,695
  5. Step 5: Solve for x
    x = 1,044,897,905,573,695/53,871,342.91
  6. Step 6: Final answer
    x = 19,396,173.35

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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.