Home / 22,018,539.80-33,027,809.70-20,955,657.80

Finding the Fourth Proportional to 22,018,539.80, 33,027,809.70 and 20,955,657.80

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Solution

The fourth proportional to 22,018,539.80, 33,027,809.70 and 20,955,657.80 is: 31,433,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018,539.80 : 33,027,809.70 = 20,955,657.80 : x
  2. Step 2: Convert to fraction form
    22,018,539.80/33,027,809.70 = 20,955,657.80/x
  3. Step 3: Cross multiply
    22,018,539.80x = 33,027,809.70 × 20,955,657.80
  4. Step 4: Simplify right side
    22,018,539.80x = 692,119,477,956,720.62
  5. Step 5: Solve for x
    x = 692,119,477,956,720.62/22,018,539.80
  6. Step 6: Final answer
    x = 31,433,486.70

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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.