Home / 21,708,120.84-32,555,267.54-7,131,656.84

Finding the Fourth Proportional to 21,708,120.84, 32,555,267.54 and 7,131,656.84

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Solution

The fourth proportional to 21,708,120.84, 32,555,267.54 and 7,131,656.84 is: 10,695,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,120.84 : 32,555,267.54 = 7,131,656.84 : x
  2. Step 2: Convert to fraction form
    21,708,120.84/32,555,267.54 = 7,131,656.84/x
  3. Step 3: Cross multiply
    21,708,120.84x = 32,555,267.54 × 7,131,656.84
  4. Step 4: Simplify right side
    21,708,120.84x = 232,172,996,429,670.97
  5. Step 5: Solve for x
    x = 232,172,996,429,670.97/21,708,120.84
  6. Step 6: Final answer
    x = 10,695,213.93

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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.