Home / 10,385,271.90-15,580,787.40-4,322,859.30

Finding the Fourth Proportional to 10,385,271.90, 15,580,787.40 and 4,322,859.30

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Solution

The fourth proportional to 10,385,271.90, 15,580,787.40 and 4,322,859.30 is: 6,485,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,271.90 : 15,580,787.40 = 4,322,859.30 : x
  2. Step 2: Convert to fraction form
    10,385,271.90/15,580,787.40 = 4,322,859.30/x
  3. Step 3: Cross multiply
    10,385,271.90x = 15,580,787.40 × 4,322,859.30
  4. Step 4: Simplify right side
    10,385,271.90x = 67,353,551,713,412.82
  5. Step 5: Solve for x
    x = 67,353,551,713,412.82/10,385,271.90
  6. Step 6: Final answer
    x = 6,485,487.56

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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.