Home / 21,443,795.80-29,592,666.77-11,654,240.46

Finding the Fourth Proportional to 21,443,795.80, 29,592,666.77 and 11,654,240.46

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Solution

The fourth proportional to 21,443,795.80, 29,592,666.77 and 11,654,240.46 is: 16,082,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443,795.80 : 29,592,666.77 = 11,654,240.46 : x
  2. Step 2: Convert to fraction form
    21,443,795.80/29,592,666.77 = 11,654,240.46/x
  3. Step 3: Cross multiply
    21,443,795.80x = 29,592,666.77 × 11,654,240.46
  4. Step 4: Simplify right side
    21,443,795.80x = 344,880,054,390,231.56
  5. Step 5: Solve for x
    x = 344,880,054,390,231.56/21,443,795.80
  6. Step 6: Final answer
    x = 16,082,976.06

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1.5x scale

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.