Home / 14,201,421.80-21,302,132.70-9,666,458.60

Finding the Fourth Proportional to 14,201,421.80, 21,302,132.70 and 9,666,458.60

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Solution

The fourth proportional to 14,201,421.80, 21,302,132.70 and 9,666,458.60 is: 14,499,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201,421.80 : 21,302,132.70 = 9,666,458.60 : x
  2. Step 2: Convert to fraction form
    14,201,421.80/21,302,132.70 = 9,666,458.60/x
  3. Step 3: Cross multiply
    14,201,421.80x = 21,302,132.70 × 9,666,458.60
  4. Step 4: Simplify right side
    14,201,421.80x = 205,916,183,836,256.22
  5. Step 5: Solve for x
    x = 205,916,183,836,256.22/14,201,421.80
  6. Step 6: Final answer
    x = 14,499,687.90

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Similar ratio
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1.5x scale

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.