Home / 21,784,137.60-32,676,206.40-20,792,114.40

Finding the Fourth Proportional to 21,784,137.60, 32,676,206.40 and 20,792,114.40

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Solution

The fourth proportional to 21,784,137.60, 32,676,206.40 and 20,792,114.40 is: 31,188,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,784,137.60 : 32,676,206.40 = 20,792,114.40 : x
  2. Step 2: Convert to fraction form
    21,784,137.60/32,676,206.40 = 20,792,114.40/x
  3. Step 3: Cross multiply
    21,784,137.60x = 32,676,206.40 × 20,792,114.40
  4. Step 4: Simplify right side
    21,784,137.60x = 679,407,421,626,812.12
  5. Step 5: Solve for x
    x = 679,407,421,626,812.12/21,784,137.60
  6. Step 6: Final answer
    x = 31,188,171.60

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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.