Home / 40,937,427.81-61,425,317.12-20,176,548.26

Finding the Fourth Proportional to 40,937,427.81, 61,425,317.12 and 20,176,548.26

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Solution

The fourth proportional to 40,937,427.81, 61,425,317.12 and 20,176,548.26 is: 30,274,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,937,427.81 : 61,425,317.12 = 20,176,548.26 : x
  2. Step 2: Convert to fraction form
    40,937,427.81/61,425,317.12 = 20,176,548.26/x
  3. Step 3: Cross multiply
    40,937,427.81x = 61,425,317.12 × 20,176,548.26
  4. Step 4: Simplify right side
    40,937,427.81x = 1,239,350,874,849,474.75
  5. Step 5: Solve for x
    x = 1,239,350,874,849,474.75/40,937,427.81
  6. Step 6: Final answer
    x = 30,274,273.23

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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.