Home / 21,708,120.34-32,555,266.79-7,131,656.34

Finding the Fourth Proportional to 21,708,120.34, 32,555,266.79 and 7,131,656.34

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Solution

The fourth proportional to 21,708,120.34, 32,555,266.79 and 7,131,656.34 is: 10,695,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,120.34 : 32,555,266.79 = 7,131,656.34 : x
  2. Step 2: Convert to fraction form
    21,708,120.34/32,555,266.79 = 7,131,656.34/x
  3. Step 3: Cross multiply
    21,708,120.34x = 32,555,266.79 × 7,131,656.34
  4. Step 4: Simplify right side
    21,708,120.34x = 232,172,974,807,752.22
  5. Step 5: Solve for x
    x = 232,172,974,807,752.22/21,708,120.34
  6. Step 6: Final answer
    x = 10,695,213.18

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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.