Home / 25,162,406.40-37,687,622.40-20,683,430.40

Finding the Fourth Proportional to 25,162,406.40, 37,687,622.40 and 20,683,430.40

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Solution

The fourth proportional to 25,162,406.40, 37,687,622.40 and 20,683,430.40 is: 30,979,124.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162,406.40 : 37,687,622.40 = 20,683,430.40 : x
  2. Step 2: Convert to fraction form
    25,162,406.40/37,687,622.40 = 20,683,430.40/x
  3. Step 3: Cross multiply
    25,162,406.40x = 37,687,622.40 × 20,683,430.40
  4. Step 4: Simplify right side
    25,162,406.40x = 779,509,314,851,880.88
  5. Step 5: Solve for x
    x = 779,509,314,851,880.88/25,162,406.40
  6. Step 6: Final answer
    x = 30,979,124.27

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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.