Home / 29,041,963.90-43,562,945.85-18,889,618.30

Finding the Fourth Proportional to 29,041,963.90, 43,562,945.85 and 18,889,618.30

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Solution

The fourth proportional to 29,041,963.90, 43,562,945.85 and 18,889,618.30 is: 28,334,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,041,963.90 : 43,562,945.85 = 18,889,618.30 : x
  2. Step 2: Convert to fraction form
    29,041,963.90/43,562,945.85 = 18,889,618.30/x
  3. Step 3: Cross multiply
    29,041,963.90x = 43,562,945.85 × 18,889,618.30
  4. Step 4: Simplify right side
    29,041,963.90x = 822,887,419,130,069.12
  5. Step 5: Solve for x
    x = 822,887,419,130,069.12/29,041,963.90
  6. Step 6: Final answer
    x = 28,334,427.45

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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.