Home / 19,662,155.76-29,506,608.36-12,065,936.88

Finding the Fourth Proportional to 19,662,155.76, 29,506,608.36 and 12,065,936.88

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Solution

The fourth proportional to 19,662,155.76, 29,506,608.36 and 12,065,936.88 is: 18,107,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662,155.76 : 29,506,608.36 = 12,065,936.88 : x
  2. Step 2: Convert to fraction form
    19,662,155.76/29,506,608.36 = 12,065,936.88/x
  3. Step 3: Cross multiply
    19,662,155.76x = 29,506,608.36 × 12,065,936.88
  4. Step 4: Simplify right side
    19,662,155.76x = 356,024,874,014,640.31
  5. Step 5: Solve for x
    x = 356,024,874,014,640.31/19,662,155.76
  6. Step 6: Final answer
    x = 18,107,112.89

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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.