Home / 10,257,113.40-15,367,007.70-8,353,548.60

Finding the Fourth Proportional to 10,257,113.40, 15,367,007.70 and 8,353,548.60

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Solution

The fourth proportional to 10,257,113.40, 15,367,007.70 and 8,353,548.60 is: 12,515,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,113.40 : 15,367,007.70 = 8,353,548.60 : x
  2. Step 2: Convert to fraction form
    10,257,113.40/15,367,007.70 = 8,353,548.60/x
  3. Step 3: Cross multiply
    10,257,113.40x = 15,367,007.70 × 8,353,548.60
  4. Step 4: Simplify right side
    10,257,113.40x = 128,369,045,658,524.20
  5. Step 5: Solve for x
    x = 128,369,045,658,524.20/10,257,113.40
  6. Step 6: Final answer
    x = 12,515,123.96

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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.