Home / 8,405,848.80-12,590,110.80-7,286,104.80

Finding the Fourth Proportional to 8,405,848.80, 12,590,110.80 and 7,286,104.80

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Solution

The fourth proportional to 8,405,848.80, 12,590,110.80 and 7,286,104.80 is: 10,912,980.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405,848.80 : 12,590,110.80 = 7,286,104.80 : x
  2. Step 2: Convert to fraction form
    8,405,848.80/12,590,110.80 = 7,286,104.80/x
  3. Step 3: Cross multiply
    8,405,848.80x = 12,590,110.80 × 7,286,104.80
  4. Step 4: Simplify right side
    8,405,848.80x = 91,732,866,732,411.84
  5. Step 5: Solve for x
    x = 91,732,866,732,411.84/8,405,848.80
  6. Step 6: Final answer
    x = 10,912,980.82

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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.