Home / 31,501,891.60-47,244,964.20-12,066,897.40

Finding the Fourth Proportional to 31,501,891.60, 47,244,964.20 and 12,066,897.40

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Solution

The fourth proportional to 31,501,891.60, 47,244,964.20 and 12,066,897.40 is: 18,097,330.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501,891.60 : 47,244,964.20 = 12,066,897.40 : x
  2. Step 2: Convert to fraction form
    31,501,891.60/47,244,964.20 = 12,066,897.40/x
  3. Step 3: Cross multiply
    31,501,891.60x = 47,244,964.20 × 12,066,897.40
  4. Step 4: Simplify right side
    31,501,891.60x = 570,100,135,668,073.12
  5. Step 5: Solve for x
    x = 570,100,135,668,073.12/31,501,891.60
  6. Step 6: Final answer
    x = 18,097,330.25

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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.