Home / 15,294,421.96-21,106,767.17-10,831,971.65

Finding the Fourth Proportional to 15,294,421.96, 21,106,767.17 and 10,831,971.65

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Solution

The fourth proportional to 15,294,421.96, 21,106,767.17 and 10,831,971.65 is: 14,948,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294,421.96 : 21,106,767.17 = 10,831,971.65 : x
  2. Step 2: Convert to fraction form
    15,294,421.96/21,106,767.17 = 10,831,971.65/x
  3. Step 3: Cross multiply
    15,294,421.96x = 21,106,767.17 × 10,831,971.65
  4. Step 4: Simplify right side
    15,294,421.96x = 228,627,903,530,136.81
  5. Step 5: Solve for x
    x = 228,627,903,530,136.81/15,294,421.96
  6. Step 6: Final answer
    x = 14,948,450.11

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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.