Home / 31,147,287.60-46,720,931.40-18,392,703.60

Finding the Fourth Proportional to 31,147,287.60, 46,720,931.40 and 18,392,703.60

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Solution

The fourth proportional to 31,147,287.60, 46,720,931.40 and 18,392,703.60 is: 27,589,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,147,287.60 : 46,720,931.40 = 18,392,703.60 : x
  2. Step 2: Convert to fraction form
    31,147,287.60/46,720,931.40 = 18,392,703.60/x
  3. Step 3: Cross multiply
    31,147,287.60x = 46,720,931.40 × 18,392,703.60
  4. Step 4: Simplify right side
    31,147,287.60x = 859,324,243,156,133.12
  5. Step 5: Solve for x
    x = 859,324,243,156,133.12/31,147,287.60
  6. Step 6: Final answer
    x = 27,589,055.40

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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.