Home / 31,143,947.20-46,707,626.40-9,578,507.20

Finding the Fourth Proportional to 31,143,947.20, 46,707,626.40 and 9,578,507.20

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Solution

The fourth proportional to 31,143,947.20, 46,707,626.40 and 9,578,507.20 is: 14,365,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,143,947.20 : 46,707,626.40 = 9,578,507.20 : x
  2. Step 2: Convert to fraction form
    31,143,947.20/46,707,626.40 = 9,578,507.20/x
  3. Step 3: Cross multiply
    31,143,947.20x = 46,707,626.40 × 9,578,507.20
  4. Step 4: Simplify right side
    31,143,947.20x = 447,389,335,767,310
  5. Step 5: Solve for x
    x = 447,389,335,767,310/31,143,947.20
  6. Step 6: Final answer
    x = 14,365,209.81

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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.