Home / 25,428,014.40-38,142,021.60-10,274,145.60

Finding the Fourth Proportional to 25,428,014.40, 38,142,021.60 and 10,274,145.60

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Solution

The fourth proportional to 25,428,014.40, 38,142,021.60 and 10,274,145.60 is: 15,411,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428,014.40 : 38,142,021.60 = 10,274,145.60 : x
  2. Step 2: Convert to fraction form
    25,428,014.40/38,142,021.60 = 10,274,145.60/x
  3. Step 3: Cross multiply
    25,428,014.40x = 38,142,021.60 × 10,274,145.60
  4. Step 4: Simplify right side
    25,428,014.40x = 391,876,683,396,744.94
  5. Step 5: Solve for x
    x = 391,876,683,396,744.94/25,428,014.40
  6. Step 6: Final answer
    x = 15,411,218.40

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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.