Home / 15,580,927.82-21,502,793.02-8,611,455.60

Finding the Fourth Proportional to 15,580,927.82, 21,502,793.02 and 8,611,455.60

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Solution

The fourth proportional to 15,580,927.82, 21,502,793.02 and 8,611,455.60 is: 11,884,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580,927.82 : 21,502,793.02 = 8,611,455.60 : x
  2. Step 2: Convert to fraction form
    15,580,927.82/21,502,793.02 = 8,611,455.60/x
  3. Step 3: Cross multiply
    15,580,927.82x = 21,502,793.02 × 8,611,455.60
  4. Step 4: Simplify right side
    15,580,927.82x = 185,170,347,440,939.56
  5. Step 5: Solve for x
    x = 185,170,347,440,939.56/15,580,927.82
  6. Step 6: Final answer
    x = 11,884,423.67

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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.