Home / 31,136,427.10-46,704,640.65-20,386,884.70

Finding the Fourth Proportional to 31,136,427.10, 46,704,640.65 and 20,386,884.70

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Solution

The fourth proportional to 31,136,427.10, 46,704,640.65 and 20,386,884.70 is: 30,580,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136,427.10 : 46,704,640.65 = 20,386,884.70 : x
  2. Step 2: Convert to fraction form
    31,136,427.10/46,704,640.65 = 20,386,884.70/x
  3. Step 3: Cross multiply
    31,136,427.10x = 46,704,640.65 × 20,386,884.70
  4. Step 4: Simplify right side
    31,136,427.10x = 952,162,123,886,483
  5. Step 5: Solve for x
    x = 952,162,123,886,483/31,136,427.10
  6. Step 6: Final answer
    x = 30,580,327.05

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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.