Home / 18,498,438.40-27,747,657.60-17,742,611.20

Finding the Fourth Proportional to 18,498,438.40, 27,747,657.60 and 17,742,611.20

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Solution

The fourth proportional to 18,498,438.40, 27,747,657.60 and 17,742,611.20 is: 26,613,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498,438.40 : 27,747,657.60 = 17,742,611.20 : x
  2. Step 2: Convert to fraction form
    18,498,438.40/27,747,657.60 = 17,742,611.20/x
  3. Step 3: Cross multiply
    18,498,438.40x = 27,747,657.60 × 17,742,611.20
  4. Step 4: Simplify right side
    18,498,438.40x = 492,315,900,507,525.12
  5. Step 5: Solve for x
    x = 492,315,900,507,525.12/18,498,438.40
  6. Step 6: Final answer
    x = 26,613,916.80

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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.