Home / 14,890,285.75-20,549,093.30-8,275,152.98

Finding the Fourth Proportional to 14,890,285.75, 20,549,093.30 and 8,275,152.98

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Solution

The fourth proportional to 14,890,285.75, 20,549,093.30 and 8,275,152.98 is: 11,419,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890,285.75 : 20,549,093.30 = 8,275,152.98 : x
  2. Step 2: Convert to fraction form
    14,890,285.75/20,549,093.30 = 8,275,152.98/x
  3. Step 3: Cross multiply
    14,890,285.75x = 20,549,093.30 × 8,275,152.98
  4. Step 4: Simplify right side
    14,890,285.75x = 170,046,890,595,071.47
  5. Step 5: Solve for x
    x = 170,046,890,595,071.47/14,890,285.75
  6. Step 6: Final answer
    x = 11,419,988.40

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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.