Home / 15,526,085.41-21,429,648.99-9,650,157.29

Finding the Fourth Proportional to 15,526,085.41, 21,429,648.99 and 9,650,157.29

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Solution

The fourth proportional to 15,526,085.41, 21,429,648.99 and 9,650,157.29 is: 13,319,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526,085.41 : 21,429,648.99 = 9,650,157.29 : x
  2. Step 2: Convert to fraction form
    15,526,085.41/21,429,648.99 = 9,650,157.29/x
  3. Step 3: Cross multiply
    15,526,085.41x = 21,429,648.99 × 9,650,157.29
  4. Step 4: Simplify right side
    15,526,085.41x = 206,799,483,315,841.38
  5. Step 5: Solve for x
    x = 206,799,483,315,841.38/15,526,085.41
  6. Step 6: Final answer
    x = 13,319,486.39

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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.