Home / 21,397,167.53-29,528,091.18-12,230,007.11

Finding the Fourth Proportional to 21,397,167.53, 29,528,091.18 and 12,230,007.11

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Solution

The fourth proportional to 21,397,167.53, 29,528,091.18 and 12,230,007.11 is: 16,877,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,167.53 : 29,528,091.18 = 12,230,007.11 : x
  2. Step 2: Convert to fraction form
    21,397,167.53/29,528,091.18 = 12,230,007.11/x
  3. Step 3: Cross multiply
    21,397,167.53x = 29,528,091.18 × 12,230,007.11
  4. Step 4: Simplify right side
    21,397,167.53x = 361,128,764,928,487.81
  5. Step 5: Solve for x
    x = 361,128,764,928,487.81/21,397,167.53
  6. Step 6: Final answer
    x = 16,877,409.80

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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.