Home / 31,430,583.50-43,371,860.47-17,676,890.42

Finding the Fourth Proportional to 31,430,583.50, 43,371,860.47 and 17,676,890.42

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Solution

The fourth proportional to 31,430,583.50, 43,371,860.47 and 17,676,890.42 is: 24,392,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430,583.50 : 43,371,860.47 = 17,676,890.42 : x
  2. Step 2: Convert to fraction form
    31,430,583.50/43,371,860.47 = 17,676,890.42/x
  3. Step 3: Cross multiply
    31,430,583.50x = 43,371,860.47 × 17,676,890.42
  4. Step 4: Simplify right side
    31,430,583.50x = 766,679,624,578,668.12
  5. Step 5: Solve for x
    x = 766,679,624,578,668.12/31,430,583.50
  6. Step 6: Final answer
    x = 24,392,790.06

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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.