Home / 8,688,078.20-13,032,117.30-6,676,475.60

Finding the Fourth Proportional to 8,688,078.20, 13,032,117.30 and 6,676,475.60

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Solution

The fourth proportional to 8,688,078.20, 13,032,117.30 and 6,676,475.60 is: 10,014,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,078.20 : 13,032,117.30 = 6,676,475.60 : x
  2. Step 2: Convert to fraction form
    8,688,078.20/13,032,117.30 = 6,676,475.60/x
  3. Step 3: Cross multiply
    8,688,078.20x = 13,032,117.30 × 6,676,475.60
  4. Step 4: Simplify right side
    8,688,078.20x = 87,008,613,169,787.88
  5. Step 5: Solve for x
    x = 87,008,613,169,787.88/8,688,078.20
  6. Step 6: Final answer
    x = 10,014,713.40

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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.