Home / 21,066,354.93-31,599,532.41-5,920,286.43

Finding the Fourth Proportional to 21,066,354.93, 31,599,532.41 and 5,920,286.43

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Solution

The fourth proportional to 21,066,354.93, 31,599,532.41 and 5,920,286.43 is: 8,880,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,354.93 : 31,599,532.41 = 5,920,286.43 : x
  2. Step 2: Convert to fraction form
    21,066,354.93/31,599,532.41 = 5,920,286.43/x
  3. Step 3: Cross multiply
    21,066,354.93x = 31,599,532.41 × 5,920,286.43
  4. Step 4: Simplify right side
    21,066,354.93x = 187,078,282,921,268.19
  5. Step 5: Solve for x
    x = 187,078,282,921,268.19/21,066,354.93
  6. Step 6: Final answer
    x = 8,880,429.65

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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.