Home / 40,474,898.49-55,855,359.93-21,890,038.50

Finding the Fourth Proportional to 40,474,898.49, 55,855,359.93 and 21,890,038.50

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Solution

The fourth proportional to 40,474,898.49, 55,855,359.93 and 21,890,038.50 is: 30,208,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,474,898.49 : 55,855,359.93 = 21,890,038.50 : x
  2. Step 2: Convert to fraction form
    40,474,898.49/55,855,359.93 = 21,890,038.50/x
  3. Step 3: Cross multiply
    40,474,898.49x = 55,855,359.93 × 21,890,038.50
  4. Step 4: Simplify right side
    40,474,898.49x = 1,222,675,979,428,856.25
  5. Step 5: Solve for x
    x = 1,222,675,979,428,856.25/40,474,898.49
  6. Step 6: Final answer
    x = 30,208,253.14

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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.