Home / 8,173,113.81-12,253,308.93-5,288,385.48

Finding the Fourth Proportional to 8,173,113.81, 12,253,308.93 and 5,288,385.48

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Solution

The fourth proportional to 8,173,113.81, 12,253,308.93 and 5,288,385.48 is: 7,928,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173,113.81 : 12,253,308.93 = 5,288,385.48 : x
  2. Step 2: Convert to fraction form
    8,173,113.81/12,253,308.93 = 5,288,385.48/x
  3. Step 3: Cross multiply
    8,173,113.81x = 12,253,308.93 × 5,288,385.48
  4. Step 4: Simplify right side
    8,173,113.81x = 64,800,221,027,366.34
  5. Step 5: Solve for x
    x = 64,800,221,027,366.34/8,173,113.81
  6. Step 6: Final answer
    x = 7,928,461.85

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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.