Home / 52,706,440.20-79,059,660.30-18,628,897.80

Finding the Fourth Proportional to 52,706,440.20, 79,059,660.30 and 18,628,897.80

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Solution

The fourth proportional to 52,706,440.20, 79,059,660.30 and 18,628,897.80 is: 27,943,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,706,440.20 : 79,059,660.30 = 18,628,897.80 : x
  2. Step 2: Convert to fraction form
    52,706,440.20/79,059,660.30 = 18,628,897.80/x
  3. Step 3: Cross multiply
    52,706,440.20x = 79,059,660.30 × 18,628,897.80
  4. Step 4: Simplify right side
    52,706,440.20x = 1,472,794,331,831,417.25
  5. Step 5: Solve for x
    x = 1,472,794,331,831,417.25/52,706,440.20
  6. Step 6: Final answer
    x = 27,943,346.70

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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.