Home / 21,051,245.80-31,576,868.70-10,275,459.40

Finding the Fourth Proportional to 21,051,245.80, 31,576,868.70 and 10,275,459.40

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Solution

The fourth proportional to 21,051,245.80, 31,576,868.70 and 10,275,459.40 is: 15,413,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051,245.80 : 31,576,868.70 = 10,275,459.40 : x
  2. Step 2: Convert to fraction form
    21,051,245.80/31,576,868.70 = 10,275,459.40/x
  3. Step 3: Cross multiply
    21,051,245.80x = 31,576,868.70 × 10,275,459.40
  4. Step 4: Simplify right side
    21,051,245.80x = 324,466,832,305,980.81
  5. Step 5: Solve for x
    x = 324,466,832,305,980.81/21,051,245.80
  6. Step 6: Final answer
    x = 15,413,189.10

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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.