Home / 14,085,964.80-21,128,947.20-8,677,076.40

Finding the Fourth Proportional to 14,085,964.80, 21,128,947.20 and 8,677,076.40

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Solution

The fourth proportional to 14,085,964.80, 21,128,947.20 and 8,677,076.40 is: 13,015,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085,964.80 : 21,128,947.20 = 8,677,076.40 : x
  2. Step 2: Convert to fraction form
    14,085,964.80/21,128,947.20 = 8,677,076.40/x
  3. Step 3: Cross multiply
    14,085,964.80x = 21,128,947.20 × 8,677,076.40
  4. Step 4: Simplify right side
    14,085,964.80x = 183,337,489,105,966.09
  5. Step 5: Solve for x
    x = 183,337,489,105,966.09/14,085,964.80
  6. Step 6: Final answer
    x = 13,015,614.60

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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.