Home / 6,909,374.20-10,364,061.30-5,315,051.20

Finding the Fourth Proportional to 6,909,374.20, 10,364,061.30 and 5,315,051.20

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Solution

The fourth proportional to 6,909,374.20, 10,364,061.30 and 5,315,051.20 is: 7,972,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,374.20 : 10,364,061.30 = 5,315,051.20 : x
  2. Step 2: Convert to fraction form
    6,909,374.20/10,364,061.30 = 5,315,051.20/x
  3. Step 3: Cross multiply
    6,909,374.20x = 10,364,061.30 × 5,315,051.20
  4. Step 4: Simplify right side
    6,909,374.20x = 55,085,516,449,438.56
  5. Step 5: Solve for x
    x = 55,085,516,449,438.56/6,909,374.20
  6. Step 6: Final answer
    x = 7,972,576.80

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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.