Home / 31,771,457.36-47,651,090.84-12,340,661.84

Finding the Fourth Proportional to 31,771,457.36, 47,651,090.84 and 12,340,661.84

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Solution

The fourth proportional to 31,771,457.36, 47,651,090.84 and 12,340,661.84 is: 18,508,625.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,771,457.36 : 47,651,090.84 = 12,340,661.84 : x
  2. Step 2: Convert to fraction form
    31,771,457.36/47,651,090.84 = 12,340,661.84/x
  3. Step 3: Cross multiply
    31,771,457.36x = 47,651,090.84 × 12,340,661.84
  4. Step 4: Simplify right side
    31,771,457.36x = 588,045,998,363,561.62
  5. Step 5: Solve for x
    x = 588,045,998,363,561.62/31,771,457.36
  6. Step 6: Final answer
    x = 18,508,625.26

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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.