Home / 31,152,020.10-46,728,030.15-20,402,477.70

Finding the Fourth Proportional to 31,152,020.10, 46,728,030.15 and 20,402,477.70

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Solution

The fourth proportional to 31,152,020.10, 46,728,030.15 and 20,402,477.70 is: 30,603,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,152,020.10 : 46,728,030.15 = 20,402,477.70 : x
  2. Step 2: Convert to fraction form
    31,152,020.10/46,728,030.15 = 20,402,477.70/x
  3. Step 3: Cross multiply
    31,152,020.10x = 46,728,030.15 × 20,402,477.70
  4. Step 4: Simplify right side
    31,152,020.10x = 953,367,593,100,302.62
  5. Step 5: Solve for x
    x = 953,367,593,100,302.62/31,152,020.10
  6. Step 6: Final answer
    x = 30,603,716.55

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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.