Home / 15,398,550.24-21,249,742.14-8,522,884.68

Finding the Fourth Proportional to 15,398,550.24, 21,249,742.14 and 8,522,884.68

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Solution

The fourth proportional to 15,398,550.24, 21,249,742.14 and 8,522,884.68 is: 11,761,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,398,550.24 : 21,249,742.14 = 8,522,884.68 : x
  2. Step 2: Convert to fraction form
    15,398,550.24/21,249,742.14 = 8,522,884.68/x
  3. Step 3: Cross multiply
    15,398,550.24x = 21,249,742.14 × 8,522,884.68
  4. Step 4: Simplify right side
    15,398,550.24x = 181,109,101,738,956.41
  5. Step 5: Solve for x
    x = 181,109,101,738,956.41/15,398,550.24
  6. Step 6: Final answer
    x = 11,761,438.51

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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.