Home / 8,612,972.28-12,907,271.28-4,776,482.20

Finding the Fourth Proportional to 8,612,972.28, 12,907,271.28 and 4,776,482.20

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Solution

The fourth proportional to 8,612,972.28, 12,907,271.28 and 4,776,482.20 is: 7,157,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,972.28 : 12,907,271.28 = 4,776,482.20 : x
  2. Step 2: Convert to fraction form
    8,612,972.28/12,907,271.28 = 4,776,482.20/x
  3. Step 3: Cross multiply
    8,612,972.28x = 12,907,271.28 × 4,776,482.20
  4. Step 4: Simplify right side
    8,612,972.28x = 61,651,351,519,491.22
  5. Step 5: Solve for x
    x = 61,651,351,519,491.22/8,612,972.28
  6. Step 6: Final answer
    x = 7,157,964.70

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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.