Home / 20,271,588.59-27,975,243.98-11,569,586.67

Finding the Fourth Proportional to 20,271,588.59, 27,975,243.98 and 11,569,586.67

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Solution

The fourth proportional to 20,271,588.59, 27,975,243.98 and 11,569,586.67 is: 15,966,287.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,271,588.59 : 27,975,243.98 = 11,569,586.67 : x
  2. Step 2: Convert to fraction form
    20,271,588.59/27,975,243.98 = 11,569,586.67/x
  3. Step 3: Cross multiply
    20,271,588.59x = 27,975,243.98 × 11,569,586.67
  4. Step 4: Simplify right side
    20,271,588.59x = 323,662,009,869,929.75
  5. Step 5: Solve for x
    x = 323,662,009,869,929.75/20,271,588.59
  6. Step 6: Final answer
    x = 15,966,287.42

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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.