Home / 14,223,449.46-19,628,359.65-7,697,079.12

Finding the Fourth Proportional to 14,223,449.46, 19,628,359.65 and 7,697,079.12

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Solution

The fourth proportional to 14,223,449.46, 19,628,359.65 and 7,697,079.12 is: 10,621,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223,449.46 : 19,628,359.65 = 7,697,079.12 : x
  2. Step 2: Convert to fraction form
    14,223,449.46/19,628,359.65 = 7,697,079.12/x
  3. Step 3: Cross multiply
    14,223,449.46x = 19,628,359.65 × 7,697,079.12
  4. Step 4: Simplify right side
    14,223,449.46x = 151,081,037,221,865.50
  5. Step 5: Solve for x
    x = 151,081,037,221,865.50/14,223,449.46
  6. Step 6: Final answer
    x = 10,621,968.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.