Home / 31,152,022.60-46,728,033.90-20,402,480.20

Finding the Fourth Proportional to 31,152,022.60, 46,728,033.90 and 20,402,480.20

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Solution

The fourth proportional to 31,152,022.60, 46,728,033.90 and 20,402,480.20 is: 30,603,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,152,022.60 : 46,728,033.90 = 20,402,480.20 : x
  2. Step 2: Convert to fraction form
    31,152,022.60/46,728,033.90 = 20,402,480.20/x
  3. Step 3: Cross multiply
    31,152,022.60x = 46,728,033.90 × 20,402,480.20
  4. Step 4: Simplify right side
    31,152,022.60x = 953,367,786,429,678.75
  5. Step 5: Solve for x
    x = 953,367,786,429,678.75/31,152,022.60
  6. Step 6: Final answer
    x = 30,603,720.30

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1.5x scale

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.