Home / 15,925,458.48-21,970,202.31-10,121,131.32

Finding the Fourth Proportional to 15,925,458.48, 21,970,202.31 and 10,121,131.32

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Solution

The fourth proportional to 15,925,458.48, 21,970,202.31 and 10,121,131.32 is: 13,962,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925,458.48 : 21,970,202.31 = 10,121,131.32 : x
  2. Step 2: Convert to fraction form
    15,925,458.48/21,970,202.31 = 10,121,131.32/x
  3. Step 3: Cross multiply
    15,925,458.48x = 21,970,202.31 × 10,121,131.32
  4. Step 4: Simplify right side
    15,925,458.48x = 222,363,302,706,477.34
  5. Step 5: Solve for x
    x = 222,363,302,706,477.34/15,925,458.48
  6. Step 6: Final answer
    x = 13,962,756.74

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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.