Home / 22,508,190.32-31,060,897.31-12,718,423.80

Finding the Fourth Proportional to 22,508,190.32, 31,060,897.31 and 12,718,423.80

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Solution

The fourth proportional to 22,508,190.32, 31,060,897.31 and 12,718,423.80 is: 17,551,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,508,190.32 : 31,060,897.31 = 12,718,423.80 : x
  2. Step 2: Convert to fraction form
    22,508,190.32/31,060,897.31 = 12,718,423.80/x
  3. Step 3: Cross multiply
    22,508,190.32x = 31,060,897.31 × 12,718,423.80
  4. Step 4: Simplify right side
    22,508,190.32x = 395,045,655,533,267.88
  5. Step 5: Solve for x
    x = 395,045,655,533,267.88/22,508,190.32
  6. Step 6: Final answer
    x = 17,551,195.81

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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.