Home / 12,459,050.20-18,688,575.30-3,941,997.40

Finding the Fourth Proportional to 12,459,050.20, 18,688,575.30 and 3,941,997.40

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Solution

The fourth proportional to 12,459,050.20, 18,688,575.30 and 3,941,997.40 is: 5,912,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,050.20 : 18,688,575.30 = 3,941,997.40 : x
  2. Step 2: Convert to fraction form
    12,459,050.20/18,688,575.30 = 3,941,997.40/x
  3. Step 3: Cross multiply
    12,459,050.20x = 18,688,575.30 × 3,941,997.40
  4. Step 4: Simplify right side
    12,459,050.20x = 73,670,315,242,304.22
  5. Step 5: Solve for x
    x = 73,670,315,242,304.22/12,459,050.20
  6. Step 6: Final answer
    x = 5,912,996.10

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1.5x scale

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.