Home / 8,586,479.40-12,868,659.90-6,581,999.40

Finding the Fourth Proportional to 8,586,479.40, 12,868,659.90 and 6,581,999.40

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Solution

The fourth proportional to 8,586,479.40, 12,868,659.90 and 6,581,999.40 is: 9,864,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586,479.40 : 12,868,659.90 = 6,581,999.40 : x
  2. Step 2: Convert to fraction form
    8,586,479.40/12,868,659.90 = 6,581,999.40/x
  3. Step 3: Cross multiply
    8,586,479.40x = 12,868,659.90 × 6,581,999.40
  4. Step 4: Simplify right side
    8,586,479.40x = 84,701,511,740,604.06
  5. Step 5: Solve for x
    x = 84,701,511,740,604.06/8,586,479.40
  6. Step 6: Final answer
    x = 9,864,521.63

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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.