Home / 21,711,164.31-32,567,135.70-7,887,940.17

Finding the Fourth Proportional to 21,711,164.31, 32,567,135.70 and 7,887,940.17

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Solution

The fourth proportional to 21,711,164.31, 32,567,135.70 and 7,887,940.17 is: 11,832,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,711,164.31 : 32,567,135.70 = 7,887,940.17 : x
  2. Step 2: Convert to fraction form
    21,711,164.31/32,567,135.70 = 7,887,940.17/x
  3. Step 3: Cross multiply
    21,711,164.31x = 32,567,135.70 × 7,887,940.17
  4. Step 4: Simplify right side
    21,711,164.31x = 256,887,617,909,871.06
  5. Step 5: Solve for x
    x = 256,887,617,909,871.06/21,711,164.31
  6. Step 6: Final answer
    x = 11,832,051.67

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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.