Home / 28,049,114.70-42,073,672.05-9,856,117.80

Finding the Fourth Proportional to 28,049,114.70, 42,073,672.05 and 9,856,117.80

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Solution

The fourth proportional to 28,049,114.70, 42,073,672.05 and 9,856,117.80 is: 14,784,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049,114.70 : 42,073,672.05 = 9,856,117.80 : x
  2. Step 2: Convert to fraction form
    28,049,114.70/42,073,672.05 = 9,856,117.80/x
  3. Step 3: Cross multiply
    28,049,114.70x = 42,073,672.05 × 9,856,117.80
  4. Step 4: Simplify right side
    28,049,114.70x = 414,683,068,003,367.50
  5. Step 5: Solve for x
    x = 414,683,068,003,367.50/28,049,114.70
  6. Step 6: Final answer
    x = 14,784,176.70

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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.