Home / 21,590,812.40-32,389,847.40-6,446,274.80

Finding the Fourth Proportional to 21,590,812.40, 32,389,847.40 and 6,446,274.80

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Solution

The fourth proportional to 21,590,812.40, 32,389,847.40 and 6,446,274.80 is: 9,670,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590,812.40 : 32,389,847.40 = 6,446,274.80 : x
  2. Step 2: Convert to fraction form
    21,590,812.40/32,389,847.40 = 6,446,274.80/x
  3. Step 3: Cross multiply
    21,590,812.40x = 32,389,847.40 × 6,446,274.80
  4. Step 4: Simplify right side
    21,590,812.40x = 208,793,857,070,465.50
  5. Step 5: Solve for x
    x = 208,793,857,070,465.50/21,590,812.40
  6. Step 6: Final answer
    x = 9,670,495.64

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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.