Home / 14,142,027.87-21,213,880.16-4,428,457.65

Finding the Fourth Proportional to 14,142,027.87, 21,213,880.16 and 4,428,457.65

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Solution

The fourth proportional to 14,142,027.87, 21,213,880.16 and 4,428,457.65 is: 6,642,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142,027.87 : 21,213,880.16 = 4,428,457.65 : x
  2. Step 2: Convert to fraction form
    14,142,027.87/21,213,880.16 = 4,428,457.65/x
  3. Step 3: Cross multiply
    14,142,027.87x = 21,213,880.16 × 4,428,457.65
  4. Step 4: Simplify right side
    14,142,027.87x = 93,944,769,858,592.95
  5. Step 5: Solve for x
    x = 93,944,769,858,592.95/14,142,027.87
  6. Step 6: Final answer
    x = 6,642,949.00

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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.