Home / 13,166,200.20-19,749,300.30-12,369,038.70

Finding the Fourth Proportional to 13,166,200.20, 19,749,300.30 and 12,369,038.70

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Solution

The fourth proportional to 13,166,200.20, 19,749,300.30 and 12,369,038.70 is: 18,553,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166,200.20 : 19,749,300.30 = 12,369,038.70 : x
  2. Step 2: Convert to fraction form
    13,166,200.20/19,749,300.30 = 12,369,038.70/x
  3. Step 3: Cross multiply
    13,166,200.20x = 19,749,300.30 × 12,369,038.70
  4. Step 4: Simplify right side
    13,166,200.20x = 244,279,859,708,621.59
  5. Step 5: Solve for x
    x = 244,279,859,708,621.59/13,166,200.20
  6. Step 6: Final answer
    x = 18,553,558.05

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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.