Home / 15,294,426.96-21,106,774.08-10,831,976.66

Finding the Fourth Proportional to 15,294,426.96, 21,106,774.08 and 10,831,976.66

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Solution

The fourth proportional to 15,294,426.96, 21,106,774.08 and 10,831,976.66 is: 14,948,457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294,426.96 : 21,106,774.08 = 10,831,976.66 : x
  2. Step 2: Convert to fraction form
    15,294,426.96/21,106,774.08 = 10,831,976.66/x
  3. Step 3: Cross multiply
    15,294,426.96x = 21,106,774.08 × 10,831,976.66
  4. Step 4: Simplify right side
    15,294,426.96x = 228,628,084,202,452.97
  5. Step 5: Solve for x
    x = 228,628,084,202,452.97/15,294,426.96
  6. Step 6: Final answer
    x = 14,948,457.03

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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.