Home / 7,864,043.60-11,796,065.40-7,108,216.40

Finding the Fourth Proportional to 7,864,043.60, 11,796,065.40 and 7,108,216.40

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Solution

The fourth proportional to 7,864,043.60, 11,796,065.40 and 7,108,216.40 is: 10,662,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864,043.60 : 11,796,065.40 = 7,108,216.40 : x
  2. Step 2: Convert to fraction form
    7,864,043.60/11,796,065.40 = 7,108,216.40/x
  3. Step 3: Cross multiply
    7,864,043.60x = 11,796,065.40 × 7,108,216.40
  4. Step 4: Simplify right side
    7,864,043.60x = 83,848,985,531,752.56
  5. Step 5: Solve for x
    x = 83,848,985,531,752.56/7,864,043.60
  6. Step 6: Final answer
    x = 10,662,324.60

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Similar ratio
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1.5x scale

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.