Home / 18,725,658.40-28,088,487.60-5,262,486.40

Finding the Fourth Proportional to 18,725,658.40, 28,088,487.60 and 5,262,486.40

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Solution

The fourth proportional to 18,725,658.40, 28,088,487.60 and 5,262,486.40 is: 7,893,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,658.40 : 28,088,487.60 = 5,262,486.40 : x
  2. Step 2: Convert to fraction form
    18,725,658.40/28,088,487.60 = 5,262,486.40/x
  3. Step 3: Cross multiply
    18,725,658.40x = 28,088,487.60 × 5,262,486.40
  4. Step 4: Simplify right side
    18,725,658.40x = 147,815,283,991,568.66
  5. Step 5: Solve for x
    x = 147,815,283,991,568.66/18,725,658.40
  6. Step 6: Final answer
    x = 7,893,729.60

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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.