Home / 15,526,085.66-21,429,649.34-9,650,157.54

Finding the Fourth Proportional to 15,526,085.66, 21,429,649.34 and 9,650,157.54

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Solution

The fourth proportional to 15,526,085.66, 21,429,649.34 and 9,650,157.54 is: 13,319,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526,085.66 : 21,429,649.34 = 9,650,157.54 : x
  2. Step 2: Convert to fraction form
    15,526,085.66/21,429,649.34 = 9,650,157.54/x
  3. Step 3: Cross multiply
    15,526,085.66x = 21,429,649.34 × 9,650,157.54
  4. Step 4: Simplify right side
    15,526,085.66x = 206,799,492,157,957
  5. Step 5: Solve for x
    x = 206,799,492,157,957/15,526,085.66
  6. Step 6: Final answer
    x = 13,319,486.75

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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.