Home / 28,955,031.80-43,432,512.85-7,389,635.80

Finding the Fourth Proportional to 28,955,031.80, 43,432,512.85 and 7,389,635.80

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Solution

The fourth proportional to 28,955,031.80, 43,432,512.85 and 7,389,635.80 is: 11,084,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955,031.80 : 43,432,512.85 = 7,389,635.80 : x
  2. Step 2: Convert to fraction form
    28,955,031.80/43,432,512.85 = 7,389,635.80/x
  3. Step 3: Cross multiply
    28,955,031.80x = 43,432,512.85 × 7,389,635.80
  4. Step 4: Simplify right side
    28,955,031.80x = 320,950,451,840,320.06
  5. Step 5: Solve for x
    x = 320,950,451,840,320.06/28,955,031.80
  6. Step 6: Final answer
    x = 11,084,444.81

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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.