Home / 14,046,458.87-21,055,321.77-7,117,101.78

Finding the Fourth Proportional to 14,046,458.87, 21,055,321.77 and 7,117,101.78

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Solution

The fourth proportional to 14,046,458.87, 21,055,321.77 and 7,117,101.78 is: 10,668,373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046,458.87 : 21,055,321.77 = 7,117,101.78 : x
  2. Step 2: Convert to fraction form
    14,046,458.87/21,055,321.77 = 7,117,101.78/x
  3. Step 3: Cross multiply
    14,046,458.87x = 21,055,321.77 × 7,117,101.78
  4. Step 4: Simplify right side
    14,046,458.87x = 149,852,868,047,739.75
  5. Step 5: Solve for x
    x = 149,852,868,047,739.75/14,046,458.87
  6. Step 6: Final answer
    x = 10,668,373.39

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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.