Home / 19,680,455.80-29,524,830.90-8,315,054.20

Finding the Fourth Proportional to 19,680,455.80, 29,524,830.90 and 8,315,054.20

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Solution

The fourth proportional to 19,680,455.80, 29,524,830.90 and 8,315,054.20 is: 12,474,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680,455.80 : 29,524,830.90 = 8,315,054.20 : x
  2. Step 2: Convert to fraction form
    19,680,455.80/29,524,830.90 = 8,315,054.20/x
  3. Step 3: Cross multiply
    19,680,455.80x = 29,524,830.90 × 8,315,054.20
  4. Step 4: Simplify right side
    19,680,455.80x = 245,500,569,179,334.78
  5. Step 5: Solve for x
    x = 245,500,569,179,334.78/19,680,455.80
  6. Step 6: Final answer
    x = 12,474,333.50

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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.