Home / 10,647,928.40-15,971,892.60-3,075,141.20

Finding the Fourth Proportional to 10,647,928.40, 15,971,892.60 and 3,075,141.20

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Solution

The fourth proportional to 10,647,928.40, 15,971,892.60 and 3,075,141.20 is: 4,612,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,928.40 : 15,971,892.60 = 3,075,141.20 : x
  2. Step 2: Convert to fraction form
    10,647,928.40/15,971,892.60 = 3,075,141.20/x
  3. Step 3: Cross multiply
    10,647,928.40x = 15,971,892.60 × 3,075,141.20
  4. Step 4: Simplify right side
    10,647,928.40x = 49,115,824,976,235.12
  5. Step 5: Solve for x
    x = 49,115,824,976,235.12/10,647,928.40
  6. Step 6: Final answer
    x = 4,612,711.80

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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.