Home / 28,029,140.20-42,043,710.30-7,558,820.20

Finding the Fourth Proportional to 28,029,140.20, 42,043,710.30 and 7,558,820.20

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Solution

The fourth proportional to 28,029,140.20, 42,043,710.30 and 7,558,820.20 is: 11,338,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,140.20 : 42,043,710.30 = 7,558,820.20 : x
  2. Step 2: Convert to fraction form
    28,029,140.20/42,043,710.30 = 7,558,820.20/x
  3. Step 3: Cross multiply
    28,029,140.20x = 42,043,710.30 × 7,558,820.20
  4. Step 4: Simplify right side
    28,029,140.20x = 317,800,846,698,588.06
  5. Step 5: Solve for x
    x = 317,800,846,698,588.06/28,029,140.20
  6. Step 6: Final answer
    x = 11,338,230.30

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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.