Home / 31,136,426.10-46,704,639.15-20,386,883.70

Finding the Fourth Proportional to 31,136,426.10, 46,704,639.15 and 20,386,883.70

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Solution

The fourth proportional to 31,136,426.10, 46,704,639.15 and 20,386,883.70 is: 30,580,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136,426.10 : 46,704,639.15 = 20,386,883.70 : x
  2. Step 2: Convert to fraction form
    31,136,426.10/46,704,639.15 = 20,386,883.70/x
  3. Step 3: Cross multiply
    31,136,426.10x = 46,704,639.15 × 20,386,883.70
  4. Step 4: Simplify right side
    31,136,426.10x = 952,162,046,601,516.75
  5. Step 5: Solve for x
    x = 952,162,046,601,516.75/31,136,426.10
  6. Step 6: Final answer
    x = 30,580,325.55

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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.