Home / 36,643,472.20-54,963,458.70-12,380,019.40

Finding the Fourth Proportional to 36,643,472.20, 54,963,458.70 and 12,380,019.40

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Solution

The fourth proportional to 36,643,472.20, 54,963,458.70 and 12,380,019.40 is: 18,569,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,643,472.20 : 54,963,458.70 = 12,380,019.40 : x
  2. Step 2: Convert to fraction form
    36,643,472.20/54,963,458.70 = 12,380,019.40/x
  3. Step 3: Cross multiply
    36,643,472.20x = 54,963,458.70 × 12,380,019.40
  4. Step 4: Simplify right side
    36,643,472.20x = 680,448,684,997,098.88
  5. Step 5: Solve for x
    x = 680,448,684,997,098.88/36,643,472.20
  6. Step 6: Final answer
    x = 18,569,438.00

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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.