Home / 31,559,963.40-47,339,945.10-18,123,035.40

Finding the Fourth Proportional to 31,559,963.40, 47,339,945.10 and 18,123,035.40

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Solution

The fourth proportional to 31,559,963.40, 47,339,945.10 and 18,123,035.40 is: 27,184,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559,963.40 : 47,339,945.10 = 18,123,035.40 : x
  2. Step 2: Convert to fraction form
    31,559,963.40/47,339,945.10 = 18,123,035.40/x
  3. Step 3: Cross multiply
    31,559,963.40x = 47,339,945.10 × 18,123,035.40
  4. Step 4: Simplify right side
    31,559,963.40x = 857,943,500,881,356.50
  5. Step 5: Solve for x
    x = 857,943,500,881,356.50/31,559,963.40
  6. Step 6: Final answer
    x = 27,184,553.10

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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.