Home / 20,838,522.51-31,241,090.88-9,903,223.62

Finding the Fourth Proportional to 20,838,522.51, 31,241,090.88 and 9,903,223.62

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Solution

The fourth proportional to 20,838,522.51, 31,241,090.88 and 9,903,223.62 is: 14,846,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,838,522.51 : 31,241,090.88 = 9,903,223.62 : x
  2. Step 2: Convert to fraction form
    20,838,522.51/31,241,090.88 = 9,903,223.62/x
  3. Step 3: Cross multiply
    20,838,522.51x = 31,241,090.88 × 9,903,223.62
  4. Step 4: Simplify right side
    20,838,522.51x = 309,387,509,117,382.56
  5. Step 5: Solve for x
    x = 309,387,509,117,382.56/20,838,522.51
  6. Step 6: Final answer
    x = 14,846,902.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.