Home / 30,629,799.49-45,916,890.71-15,281,783.41

Finding the Fourth Proportional to 30,629,799.49, 45,916,890.71 and 15,281,783.41

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Solution

The fourth proportional to 30,629,799.49, 45,916,890.71 and 15,281,783.41 is: 22,908,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629,799.49 : 45,916,890.71 = 15,281,783.41 : x
  2. Step 2: Convert to fraction form
    30,629,799.49/45,916,890.71 = 15,281,783.41/x
  3. Step 3: Cross multiply
    30,629,799.49x = 45,916,890.71 × 15,281,783.41
  4. Step 4: Simplify right side
    30,629,799.49x = 701,691,978,461,276.62
  5. Step 5: Solve for x
    x = 701,691,978,461,276.62/30,629,799.49
  6. Step 6: Final answer
    x = 22,908,800.91

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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.