Home / 7,780,354.28-11,662,548.06-2,986,752.68

Finding the Fourth Proportional to 7,780,354.28, 11,662,548.06 and 2,986,752.68

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Solution

The fourth proportional to 7,780,354.28, 11,662,548.06 and 2,986,752.68 is: 4,477,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,354.28 : 11,662,548.06 = 2,986,752.68 : x
  2. Step 2: Convert to fraction form
    7,780,354.28/11,662,548.06 = 2,986,752.68/x
  3. Step 3: Cross multiply
    7,780,354.28x = 11,662,548.06 × 2,986,752.68
  4. Step 4: Simplify right side
    7,780,354.28x = 34,833,146,673,833.80
  5. Step 5: Solve for x
    x = 34,833,146,673,833.80/7,780,354.28
  6. Step 6: Final answer
    x = 4,477,064.34

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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.