Home / 21,492,152.40-32,238,228.60-20,231,403.60

Finding the Fourth Proportional to 21,492,152.40, 32,238,228.60 and 20,231,403.60

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Solution

The fourth proportional to 21,492,152.40, 32,238,228.60 and 20,231,403.60 is: 30,347,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,152.40 : 32,238,228.60 = 20,231,403.60 : x
  2. Step 2: Convert to fraction form
    21,492,152.40/32,238,228.60 = 20,231,403.60/x
  3. Step 3: Cross multiply
    21,492,152.40x = 32,238,228.60 × 20,231,403.60
  4. Step 4: Simplify right side
    21,492,152.40x = 652,224,614,155,663
  5. Step 5: Solve for x
    x = 652,224,614,155,663/21,492,152.40
  6. Step 6: Final answer
    x = 30,347,105.40

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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.