Home / 31,979,028-47,968,550.19-8,953,354.77

Finding the Fourth Proportional to 31,979,028, 47,968,550.19 and 8,953,354.77

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Solution

The fourth proportional to 31,979,028, 47,968,550.19 and 8,953,354.77 is: 13,430,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,979,028 : 47,968,550.19 = 8,953,354.77 : x
  2. Step 2: Convert to fraction form
    31,979,028/47,968,550.19 = 8,953,354.77/x
  3. Step 3: Cross multiply
    31,979,028x = 47,968,550.19 × 8,953,354.77
  4. Step 4: Simplify right side
    31,979,028x = 429,479,447,653,620.88
  5. Step 5: Solve for x
    x = 429,479,447,653,620.88/31,979,028
  6. Step 6: Final answer
    x = 13,430,034.45

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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.