Home / 47,639,443.32-71,462,580.60-19,945,492.31

Finding the Fourth Proportional to 47,639,443.32, 71,462,580.60 and 19,945,492.31

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Solution

The fourth proportional to 47,639,443.32, 71,462,580.60 and 19,945,492.31 is: 29,919,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639,443.32 : 71,462,580.60 = 19,945,492.31 : x
  2. Step 2: Convert to fraction form
    47,639,443.32/71,462,580.60 = 19,945,492.31/x
  3. Step 3: Cross multiply
    47,639,443.32x = 71,462,580.60 × 19,945,492.31
  4. Step 4: Simplify right side
    47,639,443.32x = 1,425,356,351,810,055
  5. Step 5: Solve for x
    x = 1,425,356,351,810,055/47,639,443.32
  6. Step 6: Final answer
    x = 29,919,668.50

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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.