Home / 28,468,534.39-39,286,506.65-15,415,792.58

Finding the Fourth Proportional to 28,468,534.39, 39,286,506.65 and 15,415,792.58

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Solution

The fourth proportional to 28,468,534.39, 39,286,506.65 and 15,415,792.58 is: 21,273,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468,534.39 : 39,286,506.65 = 15,415,792.58 : x
  2. Step 2: Convert to fraction form
    28,468,534.39/39,286,506.65 = 15,415,792.58/x
  3. Step 3: Cross multiply
    28,468,534.39x = 39,286,506.65 × 15,415,792.58
  4. Step 4: Simplify right side
    28,468,534.39x = 605,632,637,596,055.12
  5. Step 5: Solve for x
    x = 605,632,637,596,055.12/28,468,534.39
  6. Step 6: Final answer
    x = 21,273,755.42

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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.