Home / 7,499,444.64-11,249,149.12-1,819,664.16

Finding the Fourth Proportional to 7,499,444.64, 11,249,149.12 and 1,819,664.16

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Solution

The fourth proportional to 7,499,444.64, 11,249,149.12 and 1,819,664.16 is: 2,729,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499,444.64 : 11,249,149.12 = 1,819,664.16 : x
  2. Step 2: Convert to fraction form
    7,499,444.64/11,249,149.12 = 1,819,664.16/x
  3. Step 3: Cross multiply
    7,499,444.64x = 11,249,149.12 × 1,819,664.16
  4. Step 4: Simplify right side
    7,499,444.64x = 20,469,673,484,159.54
  5. Step 5: Solve for x
    x = 20,469,673,484,159.54/7,499,444.64
  6. Step 6: Final answer
    x = 2,729,491.91

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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.