Home / 12,128,533.90-18,180,553.65-6,053,922.70

Finding the Fourth Proportional to 12,128,533.90, 18,180,553.65 and 6,053,922.70

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Solution

The fourth proportional to 12,128,533.90, 18,180,553.65 and 6,053,922.70 is: 9,074,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,533.90 : 18,180,553.65 = 6,053,922.70 : x
  2. Step 2: Convert to fraction form
    12,128,533.90/18,180,553.65 = 6,053,922.70/x
  3. Step 3: Cross multiply
    12,128,533.90x = 18,180,553.65 × 6,053,922.70
  4. Step 4: Simplify right side
    12,128,533.90x = 110,063,666,440,302.84
  5. Step 5: Solve for x
    x = 110,063,666,440,302.84/12,128,533.90
  6. Step 6: Final answer
    x = 9,074,770.90

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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.