Home / 30,896,908.92-42,639,188.96-17,145,986.04

Finding the Fourth Proportional to 30,896,908.92, 42,639,188.96 and 17,145,986.04

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Solution

The fourth proportional to 30,896,908.92, 42,639,188.96 and 17,145,986.04 is: 23,662,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,896,908.92 : 42,639,188.96 = 17,145,986.04 : x
  2. Step 2: Convert to fraction form
    30,896,908.92/42,639,188.96 = 17,145,986.04/x
  3. Step 3: Cross multiply
    30,896,908.92x = 42,639,188.96 × 17,145,986.04
  4. Step 4: Simplify right side
    30,896,908.92x = 731,090,938,665,082.12
  5. Step 5: Solve for x
    x = 731,090,938,665,082.12/30,896,908.92
  6. Step 6: Final answer
    x = 23,662,267.98

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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.