Home / 31,559,969.90-47,339,954.85-18,123,041.90

Finding the Fourth Proportional to 31,559,969.90, 47,339,954.85 and 18,123,041.90

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Solution

The fourth proportional to 31,559,969.90, 47,339,954.85 and 18,123,041.90 is: 27,184,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559,969.90 : 47,339,954.85 = 18,123,041.90 : x
  2. Step 2: Convert to fraction form
    31,559,969.90/47,339,954.85 = 18,123,041.90/x
  3. Step 3: Cross multiply
    31,559,969.90x = 47,339,954.85 × 18,123,041.90
  4. Step 4: Simplify right side
    31,559,969.90x = 857,943,985,290,658.12
  5. Step 5: Solve for x
    x = 857,943,985,290,658.12/31,559,969.90
  6. Step 6: Final answer
    x = 27,184,562.85

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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.