Home / 9,972,489.40-14,958,734.10-8,271,878.20

Finding the Fourth Proportional to 9,972,489.40, 14,958,734.10 and 8,271,878.20

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Solution

The fourth proportional to 9,972,489.40, 14,958,734.10 and 8,271,878.20 is: 12,407,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972,489.40 : 14,958,734.10 = 8,271,878.20 : x
  2. Step 2: Convert to fraction form
    9,972,489.40/14,958,734.10 = 8,271,878.20/x
  3. Step 3: Cross multiply
    9,972,489.40x = 14,958,734.10 × 8,271,878.20
  4. Step 4: Simplify right side
    9,972,489.40x = 123,736,826,501,386.62
  5. Step 5: Solve for x
    x = 123,736,826,501,386.62/9,972,489.40
  6. Step 6: Final answer
    x = 12,407,817.30

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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.