Home / 8,705,001.40-13,067,999.70-4,869,878.20

Finding the Fourth Proportional to 8,705,001.40, 13,067,999.70 and 4,869,878.20

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Solution

The fourth proportional to 8,705,001.40, 13,067,999.70 and 4,869,878.20 is: 7,310,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705,001.40 : 13,067,999.70 = 4,869,878.20 : x
  2. Step 2: Convert to fraction form
    8,705,001.40/13,067,999.70 = 4,869,878.20/x
  3. Step 3: Cross multiply
    8,705,001.40x = 13,067,999.70 × 4,869,878.20
  4. Step 4: Simplify right side
    8,705,001.40x = 63,639,566,856,636.54
  5. Step 5: Solve for x
    x = 63,639,566,856,636.54/8,705,001.40
  6. Step 6: Final answer
    x = 7,310,690.02

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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.