Home / 18,829,893.20-28,244,839.80-14,573,116.40

Finding the Fourth Proportional to 18,829,893.20, 28,244,839.80 and 14,573,116.40

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Solution

The fourth proportional to 18,829,893.20, 28,244,839.80 and 14,573,116.40 is: 21,859,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829,893.20 : 28,244,839.80 = 14,573,116.40 : x
  2. Step 2: Convert to fraction form
    18,829,893.20/28,244,839.80 = 14,573,116.40/x
  3. Step 3: Cross multiply
    18,829,893.20x = 28,244,839.80 × 14,573,116.40
  4. Step 4: Simplify right side
    18,829,893.20x = 411,615,338,104,752.75
  5. Step 5: Solve for x
    x = 411,615,338,104,752.75/18,829,893.20
  6. Step 6: Final answer
    x = 21,859,674.60

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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.