Home / 21,286,269.20-31,929,403.80-14,483,824.40

Finding the Fourth Proportional to 21,286,269.20, 31,929,403.80 and 14,483,824.40

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Solution

The fourth proportional to 21,286,269.20, 31,929,403.80 and 14,483,824.40 is: 21,725,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,286,269.20 : 31,929,403.80 = 14,483,824.40 : x
  2. Step 2: Convert to fraction form
    21,286,269.20/31,929,403.80 = 14,483,824.40/x
  3. Step 3: Cross multiply
    21,286,269.20x = 31,929,403.80 × 14,483,824.40
  4. Step 4: Simplify right side
    21,286,269.20x = 462,459,877,835,892.75
  5. Step 5: Solve for x
    x = 462,459,877,835,892.75/21,286,269.20
  6. Step 6: Final answer
    x = 21,725,736.60

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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.