Home / 30,856,529.28-42,582,398.40-17,806,496.16

Finding the Fourth Proportional to 30,856,529.28, 42,582,398.40 and 17,806,496.16

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Solution

The fourth proportional to 30,856,529.28, 42,582,398.40 and 17,806,496.16 is: 24,573,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856,529.28 : 42,582,398.40 = 17,806,496.16 : x
  2. Step 2: Convert to fraction form
    30,856,529.28/42,582,398.40 = 17,806,496.16/x
  3. Step 3: Cross multiply
    30,856,529.28x = 42,582,398.40 × 17,806,496.16
  4. Step 4: Simplify right side
    30,856,529.28x = 758,243,313,593,190.12
  5. Step 5: Solve for x
    x = 758,243,313,593,190.12/30,856,529.28
  6. Step 6: Final answer
    x = 24,573,188.60

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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.