Home / 21,160,597.13-31,749,882.74-11,564,765.47

Finding the Fourth Proportional to 21,160,597.13, 31,749,882.74 and 11,564,765.47

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Solution

The fourth proportional to 21,160,597.13, 31,749,882.74 and 11,564,765.47 is: 17,352,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160,597.13 : 31,749,882.74 = 11,564,765.47 : x
  2. Step 2: Convert to fraction form
    21,160,597.13/31,749,882.74 = 11,564,765.47/x
  3. Step 3: Cross multiply
    21,160,597.13x = 31,749,882.74 × 11,564,765.47
  4. Step 4: Simplify right side
    21,160,597.13x = 367,179,947,588,101
  5. Step 5: Solve for x
    x = 367,179,947,588,101/21,160,597.13
  6. Step 6: Final answer
    x = 17,352,059.84

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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.