Home / 25,428,505.79-38,141,905.74-11,051,572.38

Finding the Fourth Proportional to 25,428,505.79, 38,141,905.74 and 11,051,572.38

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Solution

The fourth proportional to 25,428,505.79, 38,141,905.74 and 11,051,572.38 is: 16,576,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428,505.79 : 38,141,905.74 = 11,051,572.38 : x
  2. Step 2: Convert to fraction form
    25,428,505.79/38,141,905.74 = 11,051,572.38/x
  3. Step 3: Cross multiply
    25,428,505.79x = 38,141,905.74 × 11,051,572.38
  4. Step 4: Simplify right side
    25,428,505.79x = 421,528,031,996,747.50
  5. Step 5: Solve for x
    x = 421,528,031,996,747.50/25,428,505.79
  6. Step 6: Final answer
    x = 16,576,987.87

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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.