Home / 28,596,101.60-39,462,884.32-15,543,391.20

Finding the Fourth Proportional to 28,596,101.60, 39,462,884.32 and 15,543,391.20

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Solution

The fourth proportional to 28,596,101.60, 39,462,884.32 and 15,543,391.20 is: 21,450,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596,101.60 : 39,462,884.32 = 15,543,391.20 : x
  2. Step 2: Convert to fraction form
    28,596,101.60/39,462,884.32 = 15,543,391.20/x
  3. Step 3: Cross multiply
    28,596,101.60x = 39,462,884.32 × 15,543,391.20
  4. Step 4: Simplify right side
    28,596,101.60x = 613,387,048,866,106
  5. Step 5: Solve for x
    x = 613,387,048,866,106/28,596,101.60
  6. Step 6: Final answer
    x = 21,450,023.41

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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.