Home / 30,866,954.67-42,593,326.97-17,818,417.31

Finding the Fourth Proportional to 30,866,954.67, 42,593,326.97 and 17,818,417.31

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Solution

The fourth proportional to 30,866,954.67, 42,593,326.97 and 17,818,417.31 is: 24,587,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866,954.67 : 42,593,326.97 = 17,818,417.31 : x
  2. Step 2: Convert to fraction form
    30,866,954.67/42,593,326.97 = 17,818,417.31/x
  3. Step 3: Cross multiply
    30,866,954.67x = 42,593,326.97 × 17,818,417.31
  4. Step 4: Simplify right side
    30,866,954.67x = 758,945,674,270,679.12
  5. Step 5: Solve for x
    x = 758,945,674,270,679.12/30,866,954.67
  6. Step 6: Final answer
    x = 24,587,643.40

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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.