Home / 12,477,450.16-18,713,345.80-5,649,515.88

Finding the Fourth Proportional to 12,477,450.16, 18,713,345.80 and 5,649,515.88

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Solution

The fourth proportional to 12,477,450.16, 18,713,345.80 and 5,649,515.88 is: 8,472,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,450.16 : 18,713,345.80 = 5,649,515.88 : x
  2. Step 2: Convert to fraction form
    12,477,450.16/18,713,345.80 = 5,649,515.88/x
  3. Step 3: Cross multiply
    12,477,450.16x = 18,713,345.80 × 5,649,515.88
  4. Step 4: Simplify right side
    12,477,450.16x = 105,721,344,180,732.45
  5. Step 5: Solve for x
    x = 105,721,344,180,732.45/12,477,450.16
  6. Step 6: Final answer
    x = 8,472,992.70

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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.