Home / 13,528,475.66-18,669,321.33-7,333,503.21

Finding the Fourth Proportional to 13,528,475.66, 18,669,321.33 and 7,333,503.21

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Solution

The fourth proportional to 13,528,475.66, 18,669,321.33 and 7,333,503.21 is: 10,120,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528,475.66 : 18,669,321.33 = 7,333,503.21 : x
  2. Step 2: Convert to fraction form
    13,528,475.66/18,669,321.33 = 7,333,503.21/x
  3. Step 3: Cross multiply
    13,528,475.66x = 18,669,321.33 × 7,333,503.21
  4. Step 4: Simplify right side
    13,528,475.66x = 136,911,527,902,076.45
  5. Step 5: Solve for x
    x = 136,911,527,902,076.45/13,528,475.66
  6. Step 6: Final answer
    x = 10,120,247.94

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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.