Home / 12,303,921.30-18,457,264.35-3,784,190.10

Finding the Fourth Proportional to 12,303,921.30, 18,457,264.35 and 3,784,190.10

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Solution

The fourth proportional to 12,303,921.30, 18,457,264.35 and 3,784,190.10 is: 5,676,710.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,921.30 : 18,457,264.35 = 3,784,190.10 : x
  2. Step 2: Convert to fraction form
    12,303,921.30/18,457,264.35 = 3,784,190.10/x
  3. Step 3: Cross multiply
    12,303,921.30x = 18,457,264.35 × 3,784,190.10
  4. Step 4: Simplify right side
    12,303,921.30x = 69,845,797,026,352.95
  5. Step 5: Solve for x
    x = 69,845,797,026,352.95/12,303,921.30
  6. Step 6: Final answer
    x = 5,676,710.32

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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.