Home / 30,845,182.10-42,570,919.89-19,530,420.13

Finding the Fourth Proportional to 30,845,182.10, 42,570,919.89 and 19,530,420.13

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Solution

The fourth proportional to 30,845,182.10, 42,570,919.89 and 19,530,420.13 is: 26,954,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845,182.10 : 42,570,919.89 = 19,530,420.13 : x
  2. Step 2: Convert to fraction form
    30,845,182.10/42,570,919.89 = 19,530,420.13/x
  3. Step 3: Cross multiply
    30,845,182.10x = 42,570,919.89 × 19,530,420.13
  4. Step 4: Simplify right side
    30,845,182.10x = 831,427,950,665,846.12
  5. Step 5: Solve for x
    x = 831,427,950,665,846.12/30,845,182.10
  6. Step 6: Final answer
    x = 26,954,872.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.