Home / 21,223,124.79-31,841,416.27-7,575,978.23

Finding the Fourth Proportional to 21,223,124.79, 31,841,416.27 and 7,575,978.23

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Solution

The fourth proportional to 21,223,124.79, 31,841,416.27 and 7,575,978.23 is: 11,366,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,223,124.79 : 31,841,416.27 = 7,575,978.23 : x
  2. Step 2: Convert to fraction form
    21,223,124.79/31,841,416.27 = 7,575,978.23/x
  3. Step 3: Cross multiply
    21,223,124.79x = 31,841,416.27 × 7,575,978.23
  4. Step 4: Simplify right side
    21,223,124.79x = 241,229,876,443,556
  5. Step 5: Solve for x
    x = 241,229,876,443,556/21,223,124.79
  6. Step 6: Final answer
    x = 11,366,369.41

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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.