Home / 12,949,226.20-19,423,839.30-4,428,285.40

Finding the Fourth Proportional to 12,949,226.20, 19,423,839.30 and 4,428,285.40

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Solution

The fourth proportional to 12,949,226.20, 19,423,839.30 and 4,428,285.40 is: 6,642,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,226.20 : 19,423,839.30 = 4,428,285.40 : x
  2. Step 2: Convert to fraction form
    12,949,226.20/19,423,839.30 = 4,428,285.40/x
  3. Step 3: Cross multiply
    12,949,226.20x = 19,423,839.30 × 4,428,285.40
  4. Step 4: Simplify right side
    12,949,226.20x = 86,014,303,984,136.23
  5. Step 5: Solve for x
    x = 86,014,303,984,136.23/12,949,226.20
  6. Step 6: Final answer
    x = 6,642,428.10

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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.