Home / 31,750,076.71-47,609,708.86-18,623,080.63

Finding the Fourth Proportional to 31,750,076.71, 47,609,708.86 and 18,623,080.63

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Solution

The fourth proportional to 31,750,076.71, 47,609,708.86 and 18,623,080.63 is: 27,925,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,750,076.71 : 47,609,708.86 = 18,623,080.63 : x
  2. Step 2: Convert to fraction form
    31,750,076.71/47,609,708.86 = 18,623,080.63/x
  3. Step 3: Cross multiply
    31,750,076.71x = 47,609,708.86 × 18,623,080.63
  4. Step 4: Simplify right side
    31,750,076.71x = 886,639,446,870,605.38
  5. Step 5: Solve for x
    x = 886,639,446,870,605.38/31,750,076.71
  6. Step 6: Final answer
    x = 27,925,584.40

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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.