Home / 12,888,885.20-17,782,308.83-7,306,533.18

Finding the Fourth Proportional to 12,888,885.20, 17,782,308.83 and 7,306,533.18

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Solution

The fourth proportional to 12,888,885.20, 17,782,308.83 and 7,306,533.18 is: 10,080,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,885.20 : 17,782,308.83 = 7,306,533.18 : x
  2. Step 2: Convert to fraction form
    12,888,885.20/17,782,308.83 = 7,306,533.18/x
  3. Step 3: Cross multiply
    12,888,885.20x = 17,782,308.83 × 7,306,533.18
  4. Step 4: Simplify right side
    12,888,885.20x = 129,927,029,560,889.25
  5. Step 5: Solve for x
    x = 129,927,029,560,889.25/12,888,885.20
  6. Step 6: Final answer
    x = 10,080,548.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.