Home / 8,688,079.20-13,032,118.80-6,676,476.60

Finding the Fourth Proportional to 8,688,079.20, 13,032,118.80 and 6,676,476.60

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Solution

The fourth proportional to 8,688,079.20, 13,032,118.80 and 6,676,476.60 is: 10,014,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,079.20 : 13,032,118.80 = 6,676,476.60 : x
  2. Step 2: Convert to fraction form
    8,688,079.20/13,032,118.80 = 6,676,476.60/x
  3. Step 3: Cross multiply
    8,688,079.20x = 13,032,118.80 × 6,676,476.60
  4. Step 4: Simplify right side
    8,688,079.20x = 87,008,636,216,620.08
  5. Step 5: Solve for x
    x = 87,008,636,216,620.08/8,688,079.20
  6. Step 6: Final answer
    x = 10,014,714.90

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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.