Home / 20,737,029.60-31,105,544.40-19,792,245.60

Finding the Fourth Proportional to 20,737,029.60, 31,105,544.40 and 19,792,245.60

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Solution

The fourth proportional to 20,737,029.60, 31,105,544.40 and 19,792,245.60 is: 29,688,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,029.60 : 31,105,544.40 = 19,792,245.60 : x
  2. Step 2: Convert to fraction form
    20,737,029.60/31,105,544.40 = 19,792,245.60/x
  3. Step 3: Cross multiply
    20,737,029.60x = 31,105,544.40 × 19,792,245.60
  4. Step 4: Simplify right side
    20,737,029.60x = 615,648,574,286,504.62
  5. Step 5: Solve for x
    x = 615,648,574,286,504.62/20,737,029.60
  6. Step 6: Final answer
    x = 29,688,368.40

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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.