Home / 31,133,566.32-46,700,515.50-20,418,719.34

Finding the Fourth Proportional to 31,133,566.32, 46,700,515.50 and 20,418,719.34

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Solution

The fourth proportional to 31,133,566.32, 46,700,515.50 and 20,418,719.34 is: 30,628,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133,566.32 : 46,700,515.50 = 20,418,719.34 : x
  2. Step 2: Convert to fraction form
    31,133,566.32/46,700,515.50 = 20,418,719.34/x
  3. Step 3: Cross multiply
    31,133,566.32x = 46,700,515.50 × 20,418,719.34
  4. Step 4: Simplify right side
    31,133,566.32x = 953,564,719,027,819.75
  5. Step 5: Solve for x
    x = 953,564,719,027,819.75/31,133,566.32
  6. Step 6: Final answer
    x = 30,628,187.89

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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.