Home / 31,217,813.80-46,826,720.70-30,739,516.90

Finding the Fourth Proportional to 31,217,813.80, 46,826,720.70 and 30,739,516.90

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Solution

The fourth proportional to 31,217,813.80, 46,826,720.70 and 30,739,516.90 is: 46,109,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217,813.80 : 46,826,720.70 = 30,739,516.90 : x
  2. Step 2: Convert to fraction form
    31,217,813.80/46,826,720.70 = 30,739,516.90/x
  3. Step 3: Cross multiply
    31,217,813.80x = 46,826,720.70 × 30,739,516.90
  4. Step 4: Simplify right side
    31,217,813.80x = 1,439,430,772,329,229.75
  5. Step 5: Solve for x
    x = 1,439,430,772,329,229.75/31,217,813.80
  6. Step 6: Final answer
    x = 46,109,275.35

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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.