Home / 31,558,762.80-43,550,669.22-17,620,332

Finding the Fourth Proportional to 31,558,762.80, 43,550,669.22 and 17,620,332

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Solution

The fourth proportional to 31,558,762.80, 43,550,669.22 and 17,620,332 is: 24,315,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,558,762.80 : 43,550,669.22 = 17,620,332 : x
  2. Step 2: Convert to fraction form
    31,558,762.80/43,550,669.22 = 17,620,332/x
  3. Step 3: Cross multiply
    31,558,762.80x = 43,550,669.22 × 17,620,332
  4. Step 4: Simplify right side
    31,558,762.80x = 767,377,250,478,581
  5. Step 5: Solve for x
    x = 767,377,250,478,581/31,558,762.80
  6. Step 6: Final answer
    x = 24,315,821.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.