Home / 21,439,122.56-29,586,176.55-11,649,566.70

Finding the Fourth Proportional to 21,439,122.56, 29,586,176.55 and 11,649,566.70

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Solution

The fourth proportional to 21,439,122.56, 29,586,176.55 and 11,649,566.70 is: 16,076,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,439,122.56 : 29,586,176.55 = 11,649,566.70 : x
  2. Step 2: Convert to fraction form
    21,439,122.56/29,586,176.55 = 11,649,566.70/x
  3. Step 3: Cross multiply
    21,439,122.56x = 29,586,176.55 × 11,649,566.70
  4. Step 4: Simplify right side
    21,439,122.56x = 344,666,137,117,200.88
  5. Step 5: Solve for x
    x = 344,666,137,117,200.88/21,439,122.56
  6. Step 6: Final answer
    x = 16,076,503.89

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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.