Home / 7,872,351.80-11,808,527.70-2,823,006.20

Finding the Fourth Proportional to 7,872,351.80, 11,808,527.70 and 2,823,006.20

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Solution

The fourth proportional to 7,872,351.80, 11,808,527.70 and 2,823,006.20 is: 4,234,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872,351.80 : 11,808,527.70 = 2,823,006.20 : x
  2. Step 2: Convert to fraction form
    7,872,351.80/11,808,527.70 = 2,823,006.20/x
  3. Step 3: Cross multiply
    7,872,351.80x = 11,808,527.70 × 2,823,006.20
  4. Step 4: Simplify right side
    7,872,351.80x = 33,335,546,909,971.74
  5. Step 5: Solve for x
    x = 33,335,546,909,971.74/7,872,351.80
  6. Step 6: Final answer
    x = 4,234,509.30

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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.