Home / 30,180,962.70-45,271,444.05-21,740,892.30

Finding the Fourth Proportional to 30,180,962.70, 45,271,444.05 and 21,740,892.30

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Solution

The fourth proportional to 30,180,962.70, 45,271,444.05 and 21,740,892.30 is: 32,611,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,180,962.70 : 45,271,444.05 = 21,740,892.30 : x
  2. Step 2: Convert to fraction form
    30,180,962.70/45,271,444.05 = 21,740,892.30/x
  3. Step 3: Cross multiply
    30,180,962.70x = 45,271,444.05 × 21,740,892.30
  4. Step 4: Simplify right side
    30,180,962.70x = 984,241,589,356,525.75
  5. Step 5: Solve for x
    x = 984,241,589,356,525.75/30,180,962.70
  6. Step 6: Final answer
    x = 32,611,338.45

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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.